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Behind the Times: Making It Difficult to Walk or Bicycle in Boulder CO

By Dom Nozzi

July 24, 2017

Despite the conventional wisdom – that Boulder CO has long been a mecca of cutting edge, progressive transportation — Boulder has spent several decades making it very difficult to be a bike commuter (or a pedestrian). This happens in part because the citizens of Boulder are behind the times regarding transportation, but also because many actions taken by the City of Boulder are not easily seen as being detrimental to cyclists (or pedestrians).

Some examples.

Many signal lights at intersections are timed for car speeds rather than cyclist speeds.

Slip lanes and continuous left turn lanes are used in the Boulder town center. Such design is extremely hostile to pedestrian safety and significantly undermines the need to create low-speed, human-scaled design in the town center.

The construction of oversized roads and intersections that are too often deadly or intimidating for those not in a car (streets such as Colorado, Broadway, Arapahoe, Canyon, and the many double-left turn intersections are examples).Arapahoe Ave Boulder CO

Terrible design of bike parking racks (or insufficient amounts of racks) all over town. Like a great many American cities, bicycling is trivialized by assuming that “innovative” bike parking rack design is desirable, instead of functional, easy-to-use design. This assumption trivializes bicycling because we all know that there is only one acceptable way to design a car parking space. Why do we allow an “anything goes” approach when it comes to bike parking?

Traffic rules that are designed for heavy, high-speed cars rather than cyclists. An example is something that only a tiny number of places in America have avoided: the requirement that bicyclists must stop at stop signs. Another example: traffic signals that are needed for cars but not bicyclists.

High-speed road geometries. Examples include overly wide car travel lanes, overly wide intersection turning radii, banked curves in a road (so cars can travel on the curve at higher speeds). Street lights and street signs that are too tall – thereby creating a highway ambience that induces higher car speeds.

Too often allowing a business to place car parking in front of a building. Among the great many problems associated with this all-too-common urban design mistake is the fact that parking lots in front of buildings substantially increase walking and bicycling distances, and destroy the human-scaled ambience that most people enjoy.

Not requiring developers to unbundle the price of parking from the price of the home or business. This action means that bicyclists or pedestrians who don’t need the car parking pay higher prices for goods and services to pay for expensive parking they do not need.

Lack of on-street bike lanes on many hostile, high-speed roads. Roads such as Broadway, Canyon, and East Arapahoe are nearly impossible for all but a tiny handful of bicyclists to feel comfortable bicycling. Boulder’s major streets are so hostile because Boulder has strongly bought into the failed, outdated concept of the “street hierarchy” system of roadways. In this system, roads are designated as arterials, collectors, and local roads. Local, low-speed, low-volume neighborhood roads (relatively safe places for bicycling a walking) feed traffic into collector roads (which are more unsafe due to higher speeds and larger widths), which feed into arterial roads (which are the most dangerous, high-speed, very wide roads). Because of the hierarchy of smaller roads feeding larger and larger roads (in the same manner as a watershed, where smaller streams feed larger and larger creeks and rivers), the larger (arterial) roads often become congested because they must handle car trips from throughout the community. Similarly, larger rivers often flood because they must handle water flowing from throughout the watershed. In addition to increasing the likelihood of congestion, the road hierarchy system also and inevitably creates roadways that are not complete streets. They are too high-speed, too wide, and too hostile for safe, comfortable walking or bicycling.

Lack of compact development, which disperses destinations so they are too far to bike or walk to.

Traffic signals that don’t detect cyclists or pedestrians, which means that cyclists and pedestrians must often suffer the indignity and inconvenience of having to wait for a motorist to arrive before the traffic signal will change to a green light.

There are many, many more examples.

Many of the above impediments to cycling or walking are due to the ruinous transportation imperative that all American cities (including, shamefully, Boulder) have pursued for more than a century: high-speed, unimpeded, free-flowing car traffic. This objective has — as an unspoken objective – been designed to keep cyclists and pedestrians out of the way so motorists can avoid being slowed down in their oversized, high-speed cars.

Stepping up enforcement of the pedestrian crossing rule, for example, masquerades as a way to improve pedestrian safety, but the primary reason is to allow motorists to drive at high, inattentive speeds without needing to slow down and pay attention. Such a rule is a form of victim-blaming.

Boulder and nearly all American cities have a lot of work to do if it expects to remove the many obstacles to safe and easy bicycling and walking in town.

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Filed under Bicycling, Road Diet, Sprawl, Suburbia, Transportation, Urban Design, Walking

Why Are Traffic Deaths So Barbarically High?

By Dom Nozzi

February 21, 2017

It is inexcusable that when we look at traffic fatalities — and the all-too-common call to reduce the number of fatalities with “safer” cars — we ignore the huge number of bicyclists and pedestrians killed by motorists.

As my op-ed in the Boulder (Colorado) Daily Camera noted recently, despite a century of “redoubling our efforts” every few years to make our roads safer for cyclists and pedestrians, our roads are the most dangerous than they have ever been. Adding more road caution signsWARNING signs, WARNING paint, WARNING education, WARNING enforcement, and WARNING lights (as Boulder is once again proposing to do this year) has done nothing meaningful to make roads safer (many persuasively argue such things make our roads LESS safe).

But I’ll ignore cyclist and pedestrian deaths for the time being.

It is quite common for someone to point to an increase (or decrease) in traffic fatalities suffered by motorists and their passengers over the past year as indicative of a long-term trend – and what has allegedly caused the “trend.” But statistical principles and the complexity of transportation inform us that taking a one-year data point – and then applying a single variable to explain it – is highly unlikely to be accurate. Not nearly enough time has elapsed. And there are way too many variables when it comes to transportation.

An extremely important question I want to ask, rather than trying to explain a one-year change in fatalities, is why motorist deaths have been barbarically high for so long. The US has suffered over 30,000 traffic deaths per year since the 1930s.

And no one seems to care, when we compare concern about traffic deaths to the hysteria about drugs and terrorists and communists…

How have we gotten to this state of affairs?

First, the vast majority of motorists/Americans/elected officials have one objective that is light years more important than safety or quality of community: SPEED. Anything that slows motorists down — such as traffic congestion, road diets, traffic calming, etc. — must be furiously fought against with any and all means necessary.maxresdefault

Even in allegedly enlightened and progressive Boulder, free-flowing, high-speed car travel is head and shoulders above almost anything else as a measure of quality of life.

This single-minded focus explains why cities such as Boulder have a huge number of roads that have way too many travel lanes. Anything more than 3 is incompatible with a quality city, yet Boulder has many roadways (stroads, as Chuck Marohn would call them) that are in the 6- to 12- lane range. Anything more than 3 or 4 lanes is inevitably a recipe for a huge number of car crashes and fatalities.

More of the same thing all American communities have been doing for a century — more WARNING signs, more WARNING paint, more WARNING education, more WARNING enforcement, and more WARNING lights — will do nothing to make such monster roads anything other than on-going death traps.

Yet this same old song and dance is precisely what Boulder proposes to do as it rolls out its exciting “new” objective called “Toward Vision Zero.”

Excuse me for not being optimistic about Boulder not achieving this objective.

A related problem for almost every city — including Boulder — is the century-long use of the “forgiving road” design paradigm, which “forgives” the motorist for driving too fast or not paying attention. Using the “forgiving street” strategy, we remove street trees, make intersections and turn radii crazy big in size, create “super-elevations” at road turns, remove on-street parking, eliminate mid-block pedestrian crossings, move cyclists onto off-street paths, pull buildings away from the street and street corners, etc.

The result?

For several decades, we’ve had an epidemic of excessive speeds and inattentive driving. A great way to ramp up the death toll.

Most cities – to enable easy, high-speed car travel — have followed the path Boulder has taken over the past century regarding land use patterns by keeping densities at ridiculously low levels and strictly separated houses from shops and jobs and offices.

The result?

Distances to daily destinations are extremely lengthy, which makes it impossible for all but a tiny number of people to make ALL trips by car. That guarantees a large number of annual motorist deaths, as driving a car is inherently very dangerous — due to the fact that cars are heavy, large, able to achieve high speeds, and substantially reduce the sense of hearing and sight that a motorist has outside of a car.

One example of a destination that is now nowhere near any homes is an iconic social gathering place: the pub. Unlike in past times, it is now almost impossible to walk or bike home after having a few beers. Inevitably, that means a lot of people are driving in an inebriated state.

The “forgiving street” design paradigm has so substantially increased inattentiveness that a huge number of motorists now drive inattentively at high speeds. Again, a great way to ensure a huge number of motorists crashing and dying.

Americans are extremely busy – probably a lot more so than in the past – and the motor vehicle provides a way to save time: drive very fast. Oops. Another way to kill people in car crashes.

Solutions? The effective tactics are nearly impossible to achieve in almost any city – including Boulder — where 98 percent of the population will fight to the death to stop these safety measures from being enacted:

  1. More compact, mixed-use land use patterns so that travel distances are short enough to make walking and bicycling feasible for most people and most trips.
  2. Toss out the forgiving street paradigm in favor of designing streets that obligate slower, attentive driving.
  3. Substantially shrink the size of nearly every road and intersection.road diet before and after

But each of these essential tasks (if we are serious about achieving Vision Zero) is utterly off the table – not even something that one is allowed to mention in “polite society.”

Much of what I advocate in transportation is an “off the table” topic. My friend Jim Kunstler just pointed out that this “elephant in the bedroom” syndrome has a name. It is called the Overton Bubble.

http://thefutureprimaeval.net/the-overton-bubble/

In sum, because we are probably decades away from having the political will to opt for effective street safety methods, we will continue to see over 30,000 American motorists die every year for the remainder of our lives.

After all, speed — not safety — is what we sincerely seek.

 

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The Deadly Stew of Transportation

 

By Dom Nozzi

April 18, 2017

American society mixes together a deadly stew in transportation: We combine forgiving road design (which forgives motorists for not paying attention) with very busy lives (which inevitably induces an epidemic of motorist speeding), sleep deprivation (which inevitably leads to falling asleep at the wheel), and a car-dependent community design (which obligates most of us to drive for all our trips — and putting all those huge, heavy, high-speed metal boxes on our roads inevitably creates frustration because all the boxes of our fellow citizens are always congesting roads).

Instead of continuing our century-long, single-minded effort to maximize the speed of cars (and therefore condition motorists to expect high-speed driving), we need to more universally design our street system to obligate slower and more attentive driving forgiving(thereby conditioning motorists to expect slower speed driving — at least in cities).

Forgiving street design is not the ONLY cause of distracted, high-speed, angry driving, but I believe it counterproductively amplifies existing societal problems, such as the desire to live in dispersed, car-dependent living arrangements. Forgiving street design makes dangerous driving more frequent.

We have ramped up education and enforcement efforts every few years since the 1920s to fight dangerous driving, yet we probably have more distracted, speeding, angry driving than ever before. Even if those levels are not the highest ever, they are certainly unacceptably high today.

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What Do I Think of the Diverging Diamond Interchange?

 

By Dom Nozzi

Febuary 2, 2017

Superior, Colorado built a “diverging diamond” interchange that opened in October 2015. It was only the second such interchange to ever be built in Colorado. Traffic engineers are imagessinging its praises throughout the nation. A newspaper article appearing in the February 2, 2017 edition of the Boulder Daily Camera fawned over the fantastic new addition to the region’s transportation system.

I am not joining the engineers or the newspaper in their love affair with the design.

Instead, I find such designs a colossal waste of money – money that could have been used for, say, transit. They are also a colossal waste of land. An entire city could fit inside one of these intersections.

The diverging diamond is a boondoggle for those reasons. But it is also a blunder because they promote increased per capita car travel. Why? In part because they are nearly 51df393d218c6-imageimpossible to cross by foot or bicycle. And in part because in the long run they will further disperse land development in a more sprawling way. Those increased distances will make it increasingly impractical to walk, bicycle or use transit.

Ironically, the major justification for the car-only design is that it briefly reduce intersection congestion, which will initially save a few seconds of motorist time (think of the fiscal irresponsibility of spending millions of public dollars spent to save a few seconds temporarily). Ironic because by artificially inducing more car trips than would have occurred had the diverging diamond not been built, the design will lead to MORE traffic congestion and MORE time delay for motorists in the long term (both at their location and areas in the region).

To hide the embarrassing fact that the millions spent ($14 million in this case) to briefly save a few seconds of time, the publicly proclaimed explanation is that it will improve safety. For the conventional traffic engineer, “improved safety” actually means that motorists can now drive faster and more inattentively with less fear of crashing. No mention is made of the fact that the intersection is much less safe for pedestrians or bicyclists, or that faster, less attentive driving is very dangerous for everyone.

The diverging diamond, therefore, is an excellent example of the century-long failure by conventional traffic engineers to understand induced car trips that are created by (briefly) reducing traffic congestion with these designs. There is a reason, after all, that many researchers repeatedly urge us to understand that it is impossible to build our way out of congestion. It is like loosening your belt to solve obesity.

But wait. There’s more.

Not only is the diverging diamond a boondoggle in the above mentioned ways. It also damages our world by adding more auto emissions into our air (by increasing per capita car trips) and reducing potential tax revenues in the region (by encouraging dispersed rather than compact land use patterns).

Future generations will shake their heads in disbelief over why our generation built these monstrosities.

There is one tiny upside to this overwhelmingly negative idea: it produces future jobs for people hired to remove these mistakes after we regain our senses.

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The Undesirability of Autonomous Cars

By Dom Nozzi

December 16, 2016

Autonomous cars remind me of the many techno optimists in the 60s and 70s who assured us that we would soon be driving flying cars like The Jetsons.jetsons

So much faster! End of traffic jams! No air pollution!

Assuming autonomous cars become a significant part of our lives — which is highly unlikely given enormous difficulties associated with making autonomous vehicles work in the real world — such vehicles are likely to create a great many negative unintended consequences.

First, there will be a huge increase in per capita car travel due to the relative ease of car travel by such vehicles. Many trips that were formerly made by walking/biking/transit (or not at all) will now be by car — including by kids, the handicapped, and seniors who are now unable to drive.

Second, there will be a need for wider roads to handle that per capita increase.

Third, we will see higher average car speeds.

Fourth, we will see more pedestrians and cyclists killed by cars since the software will direct the car to kill such people rather than the driver.

Fifth, there will be a big increase in obesity due to the increased amount of travel by car.

And finally, we will suffer from a perpetuation of unsustainable transport energy consumption, toxic air emissions, and dispersed land use patterns.

uber-carOverall, like standard cars, autonomous cars are extremely toxic to cities. To be healthy, cities require slow speeds (which promote the agglomeration economies that cities require). Higher speeds induce more low-density dispersal, which destroys city health and the essential need for social capital. Cars isolate us, yet our genes and our cities need interaction.

In general, autonomous cars are a solution looking for a problem.

Given the consequences I mention above, we need to hope that autonomous cars are as “successful” as George Jetson’s flying cars. I’m not worried because I am confident autonomous cars will soon be forgotten.

What bothers me most is that such pie-in-the-sky vehicles distract us from pressing city and human needs we have neglected and failed to address for several decades.

How much progress have we made on passenger rail design and implementation, for example?

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Traffic Safety in Boulder

By Dom Nozzi

As a member of the Boulder Transportation Advisory Board, I am alarmed  by the recent uptick in serious injuries and deaths caused by vehicle crashes on roads in our area. I am ashamed that our community seems poised to respond with the same old song and dance.

Three factors are primarily responsible for enormous traffic safety problems that persist in Boulder.bike-car-crash1

First, roadways and intersections have grown enormous in size in Boulder. Roads such as Arapahoe, Canyon, Colorado, 28th Street, and Baseline now have such a large number of travel lanes and turn lanes that pedestrians and bicyclists must now cross a huge distance made more daunting by the high speed car traffic on these roads. Anything more than 3 or 4 lanes is extremely dangerous to cross, and these roadways now contain up to 7 or 8 lanes. This oversizing has been driven by an effort to promote “free-flowing” traffic – even at rush hour. Given the enormous size of cars (a person consumes 17 to 100 times more space in a car than in a chair), and the large number of regional commuters coming to Boulder each day, retaining “free-flowing” traffic — even at rush hour — is a recipe for finding yourself oversizing streets and intersections. Boulder has certainly done that. By doing so, Boulder now has a number of oversized roads that are too big for a city, too big for safe bicycling or walking, and too big to have any reasonable chance to achieve an emerging plan of “vision zero” for crashes (reducing the number of traffic deaths and serious injuries to zero). To put the oversizing problem in perspective, if we want to carry 50,000 people per hour in each direction of a road, we’d need one lane worth of road if they are carried by train, two lanes if carried by bus, and 18 lanes if carried by car.

Second, it is important to note that at the dawn of the auto age a century ago, nearly all American cities – including Boulder — adopted forgiving roadway design. Forgiving design “forgives” a motorist for driving too fast or not paying attention by increasing the width of travel lanes, adding travel lanes, and removing “obstacles” from the areas flanking roads (trees, buildings, etc.). The naïve thought was that this would reduce the number of things motorists would crash into.

The unintended consequence, however, was that this design significantly increased motorist speeding and inattentiveness, as a motorist tends to drive as fast and as inattentively as the roadway design allows. The result of forgiving design is that there is an epidemic in motorist speeding and inattentiveness – aggravated by the concurrent epidemic in sleep deprivation that causes most all of us to occasionally fall asleep at the wheel.

Third, for 100 years, nearly all US cities — every few years — have “renewed their efforts” to improve traffic safety. We “redouble our work” to institute the “Five Warnings:”

Warning signs are installed. Warning lights are erected. Warning paint is painted. Warning education is introduced. Warning enforcement is pushed.

After all those campaigns over the past century have been waged, what has been the result? We have, today, the most dangerous streets we have ever had. Clearly, the Five Warnings have been ineffective.

For several decades, we have been so successful in providing for fast, unobstructed travel by car that it has substantially undermined transit ridership, walking, and bicycling. “Danger” is an all-too-frequent reason given in surveys for not bicycling, for example.

Wide travel lanes and multi-lane roads exert a nearly irresistible influence over a motorist. Even motorists who are not inclined to drive fast creep up to highway speeds. Amplifying this problem: large numbers of drug- or alcohol-impaired drivers, sleep-deprived drivers, and time-starved drivers. These factors are a dangerous mix, as they induce a great deal of high-speed, inattentive, reckless driving.

As noted above, making a street “safer” too often increases vehicle speeds, which makes the streets less safe – particularly for pedestrians and cyclists. One result: a disproportionate number of serious injuries and deaths in Boulder are suffered by pedestrians and bicyclists. About 40 percent of all children killed in motor vehicle crashes nationally are killed while walking or riding a bicycle.

Measured by “years of life lost,” motor vehicles fatalities rank third.

Since 1930, over 30,000 Americans die in motor vehicle crashes annually.

This is appalling. And should be completely unacceptable to any civilized society.

The Importance of Traffic Calming

One of the most common requests by citizens to our Board is the need to reinstate the neighborhood traffic calming program that was defunded in the early 2000s. Speeding, cut-through vehicles are a serious problem for many neighborhoods. Such traffic discourages bicycling and walking, substantially increases noise pollution, endangers our most vulnerable (seniors, children, the handicapped, and pets), is a primary cause of loss of neighborhood quality of life, and fuels opposition to infill development.

Traffic calming, which is a street design that obligates motorists to drive more slowly and attentively, has been shown to dramatically improve street safety. Desirable design examples include traffic circles or roundabouts, curb “bulbouts” (which reduce the width of the street), and removal of travel lanes or turn lanes. Roadway geometry in safety-sensitive areas, such as schools, needs to keep speeds near 20 miles per hour. Traffic circles reduce crashes by 50 to 90 percent, compared to two-way and four-way stop signs and traffic signals, by slowing cars and reducing the number of conflict points.

Note that in general, “horizontal calming interventions” such as circles and neck-downs are more desirable than “vertical calming interventions” such as speed humps. Among other things, humps cause noise pollution problems and can dangerously impede fire truck and other emergency vehicle response times.

Motorists are more likely to collide with pedestrians at higher speeds. At 60 miles per hour, the field of vision of the motorist is two-thirds less than at 30 miles per hour. In addition, the probability of a pedestrian being killed is only 3.5 percent when a vehicle is traveling at 15 miles per hour, but jumps to 37 percent at 31 miles per hour and 83 percent at 44 miles per hour.

Despite the conventional wisdom, stop signs do not affect overall speeds or control speeding. Posting lower speed limits and enforcing them is not sufficient to achieve needed reductions in speeding. Modest physical reconfiguration of streets is the only reliable and cost-effective way to slow and control inattentive speeding.

Calming helps reduce neighborhood noise pollution. Higher speeds substantially increase noise pollution.

The Federal Highway Administration (FHA) notes that the importance of reducing traffic speed cannot be overemphasized, and has stated that traffic calming is one of the more cost-effective ways to promote pedestrian and bicycle use in urban and suburban areas, where walking and bicycling are often hazardous and uncomfortable. And as for children, Stina Sandels, a world authority on children and road accidents, says that the best road safety education cannot adapt a child to modern traffic, so traffic must be adapted to the child.

Fortunately, there are effective street design tactics to substantially increase road safety, and these methods can be deployed without significantly slowing emergency vehicle response times.

I urge Council to restore funding for neighborhood traffic calming. Since the City does not have the authority to introduce safe, speed-slowing designs on larger state roads, I urge Council to lobby the State legislature to give Boulder the authority to do so.

Summary

How about if we do something effective to improve traffic safety?

  1. What if, instead of pursuing the ruinous objective of maintaining “free flowing” traffic (even at rush hour), we start the process of shrinking the size of the many over-sized roads and intersections in Boulder to induce slower, more attentive driving? (not to mention a financially healthy atmosphere for retail, and a higher quality of life for homes)
  2. What if, instead of continuing the counterproductive “forgiving” street design paradigm, we revise Boulder’s street design manuals to obligate slower speed, attentive driving? (including a restoration of the Boulder traffic calming program)
  3. What if, instead of continuing the failed, century-long effort of using the “Five Warnings” — which amounts to a form of blaming the pedestrian and bicyclist victim — we put more of the onus on traffic engineers to design streets to obligate safe motorist behavior? How about if we return our transportation system to people, instead of our on-going effort to be a doormat for ruinous levels of car travel?

In addition to the above, I recommend more compact development in appropriate locations, sponsoring a transportation safety speaker series, and more street connectivity.

We have a duty to make Boulder streets much safer.

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What Are the Obstacles to Making Our Streets Safer?

 

By Dom Nozzi

July 1, 2016

There have been a great many traffic injuries and deaths in the Boulder area in recent weeks. This is a terrible tragedy and tracks what is happening nationally. If we are to call ourselves a civilized society, there are effective things we must do to make our streets safer.

A very large percentage of neighborhood streets in Boulder (and the region) are excessively wide, which induces excessive driving speeds and dangerously inattentive driving. Boulder needs to redesign many of these streets if there is to be any chance of making the city street system anywhere near safe. Good tactics are the common and effective traffic calming measures which narrow the street (yet still allow acceptable emergency vehicle response times), including the use of slow streets, give-way streets, and shared streets. low-speed-streetEach of those designs deliver slow design speeds which are crucial for neighborhood safety and quality of life. A quick, easy and low-cost way to create slower, more attentive neighborhood streets is to allow and encourage a lot more on-street car parking, in addition to bulb-outs, traffic circles and chicanes. Slow speed neighborhood streets not only dramatically improve neighborhood quality of life and safety. They also effectively promote more walking, bicycling and sociable neighborhood interactions.

An extremely common suggestion to address dangerous speeding is to lower speed limits. But mounting signs with lower speed limits, as traffic engineers know, is highly ineffective unless we also redesign the street. The typical motor vehicle speeds are generated by the design speed of the street rather than speed limit signs (which are so commonly disregarded that many derisively call them “suggested” speed limits). It is also unfair to the motorist to install a speed limit sign that is far below the street design speed. When the street design strongly encourages motorists to drive at higher speeds than the speed limit, a large number of speeding violations and tickets result.

I have been a bicycle commuter in a great many cities in the US, and in my opinion, the state highways in Boulder (in particular, Broadway, Canyon, and 28th St) are among the most hostile, deadly state roads I have ever bicycled or walked. The state highways in Boulder are death traps not only for bicyclists, pedestrians, and transit users, but also motorists. Those streets (and their huge intersections) are too big and therefore too high speed to be located within a city. It is important to note that city health is promoted with slow speeds, so these state highways are undermining the quality of life in Boulder.

The fierce opposition to the Folsom Street reconfiguration project in 2015, as well as opposition to other safety and quality of life street redesign measures such as the traffic calming program in the 1990s, suggests that many in the Boulder population are not ready to accept enactment of street designs which effectively improve street safety and quality of life.

Even in Boulder, it is nearly impossible for the vast majority to travel anywhere without a car. American cities (including Boulder) are designed so that regular, safe, convenient travel by bicycle, walking, or transit is out of the question for almost all of us (mostly because roads are too big and distances are too large). That means, inevitably, that large numbers of people are obligated to drive a car even though it is too dangerous for them to do so. They have had too much to drink. Or they are angry or emotionally upset. They are distracted or exhausted by their multi-tasking, busy lives. Or their driving skills are questionable due to age or poor eyesight or other factors. In a society where nearly all trips must be made by motor vehicle, this problem is large and unavoidable.

It is incumbent on us, therefore, to design our streets and communities to be more compact and slower in speed. Otherwise, dangerous streets and unacceptably high numbers road crashes will always be a part of our lives.

 

 

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