Showing posts with label traffic myths. Show all posts
Showing posts with label traffic myths. Show all posts

Tuesday, July 09, 2019

Mouth breathers and bicycle lanes: "From congestion to cost, there are many entirely misguided arguments in circulation."


It would be nice if we had a newspaper.

It would be nice if we had a newspaper willing to ask questions of public officials.

It would be nice if we had a newspaper willing to ask questions of public officials, as whenever Jeff Gahan assumes full credit for a new miracle, the reporter asks: and what exactly are you doing to connect these various miracles by some form of mobility that isn't another automobile?

But we don't have a newspaper, and this isn't nice at all, because it means that Gahan and his car-centric ilk continue to utilize the ol' bait 'n' switch, pretending that infrastructure projects are about mobility options, when they're typically no more than another driver pacification scheme.

We don't have a newspaper. It really sucks.

Ten common myths about bike lanes – and why they're wrong, by Peter Walker (The Guardian)

From congestion to cost, there are many entirely misguided arguments in circulation

Cycle lanes have been in the news recently, as have the many often entirely misguided arguments that opponents use against them.

For all the (slight) progress in some UK cities over mass cycling, we are still at a stage where a leaflet from a local branch of the party of government (see below) will state falsehoods about bike lanes as if they were the undoubted truth.

So perhaps it’s time to demolish 10 of the most common myths about cycle infrastructure. Do by all means suggest more in the comments below.

1. Cycle lanes increase congestion (and thus pollution)

This is perhaps the most common myth, possibly because critics confuse what feels like it’s true with what actually is true: the assumption that if you take some road space from motor vehicles, you get more traffic jams – as with (a commonly used parallel) forcing water down a smaller pipe.

But fluid and traffic are not the same thing, as shown by 60 years of governments trying and failing to road-build their way out of congestion. The idea of induced demand – more road space brings more cars – has been known for decades, and it also works in reverse. This is especially so with bike lanes, which are such an efficient use of the same space that they can often mean the same amount of space carrying more people overall.

Yes, traffic jams have worsened in some cities where bike lanes have been built, but studies show this is largely down to other factors, for example the growth in the number of Uber-type private hire vehicles and Amazon delivery vans.

Most compelling of all, of course, is the fact that motor vehicles cause the congestion in the first place, and the only real way to reduce traffic congestion is to have fewer of them on the roads.

Snip

10. There’s no need

This is, in effect, the message of the critics: not this, not now – let’s try to get away with unambitious schemes without proper infrastructure, which will never change much.

You could write a whole column – even a book – about why this is absurd, but it’s always worth stressing this point to the cycling naysayers: OK, what’s your solution to gridlock, pollution, a climate emergency; to cities that are noisy, dangerous and unjust? They will not respond, because there is no answer.

Thursday, January 03, 2019

"The Twelve Days of Safety Myths" is must reading for every candidate seeking office this year. How many of them will bother?


Jeff Gahan's self-interested City Hall isn't the only governing entity that would prefer you not ask questions of the sort raised in articles like this one.

Like many such aggregations of functionaries dependent on the status quo, New Albany's pillars wish us to trust preferred contractors/consultants/vendors like HWC Engineering, which can be trusted to maintain the car-centric status quo for all the beak-wetters.

Safety myths like these are at least part of the reason for Jeff Speck's street grid recommendations being rendered into fatty, filler-stuffed sausage by HWC.

And $5,000 more ... every single year. Coincidence?

I'm reprinting the text of the Strong Towns article in its entirety, but if you wish to read Kostelec's full treatment of each safety myth, you'll need to click through to the Strong Townsweb site  and follow the individual links there.

While you're there, look around. No doctrine is perfect, but Strong Towns provides an efficient model for responsible local planning and governance.

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The Twelve Days of Safety Myths, by Don Kostelec (Strong Towns)

“But it doesn’t meet the standard.”

Heard that line before? Ever since the first video that Strong Towns ever created back in 2010 (the low-low-low-budget fan favorite Conversation With an Engineer) we have worked to expose the myths and excuses that too many in the traffic engineering profession use to justify deadly street designs. We’re talking about designs that prioritize automobile speed and traffic flow over human safety.

So we were delighted when our good friend Don Kostelec—transportation planner, avid blogger and Twitter user, and longtime safe-streets advocate—devoted an epic twelve-day series of essays in December to brilliantly dismantling some of the most common of these excuses for inaction or half-hearted action on safety—especially from state Departments of Transportation (DOTs).

Titled “The Twelve Days of Safety Myths” in honor of the classic Christmas song, Kostelec’s series is way too much for us to re-post here in its entirety, but it is absolutely worth reading in its entirety. Laypeople and transportation professionals alike can learn a lot.

We wanted to make sure our readers didn’t miss this must-read series, so here are links to all twelve installments. – Strong Towns Staff.

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The Twelve Days of Safety Myths, by Don Kostelec

In the carol “The 12 days of Christmas,” the gifts are grander and grander with each passing day. I’m not sure I’ve accomplished that for you in this series, but I hope the time you spend reading them is well spent.

The goal was to help you dispel the common myths you hear from transportation agencies with regard to safety. The guidance isn’t as sacred as they want you to believe. The safety tips don’t make much sense when you look at the research. Even the research isn’t as clear cut as we would all like it to be.

I want you to be the drummers drumming to advocate for safer streets. I want you to be the pipers piping to influence changes in policies and practices. I want you to light the coals that keep the engineering lords a-leaping when they try to deny your requests.

On the 1st day of Safety Myths, my DOT gave to me… bright, reflective vests!
A heavy “windshield bias”—a condition brought on by those who travel primarily by automobile but are tasked with developing safety initiatives for those outside a car—is revealed in campaigns and related materials that tell people who walk and bike what they should wear, without any consideration for an individual’s circumstances, the lack of proper roadway lighting to illuminate the marked and unmarked crosswalks, or the likely inadequacy of a motorist’s headlights.

On the 2nd Day of Safety Myths, my DOT gave to me… magical force field paint!
The idea that paint is a solution for a safety issue is probably the single worst default position a designer can take. I look back on projects and plans I was involved with during my less-enlightened days and think, “I can’t believe I actually recommended a sharrow.” Or, “Why did I mention nothing more than adding a crosswalk?”

It doesn’t take too deep of a dive into prevailing design guidance and research to find language that discourages the use of paint as a standalone safety countermeasure.

On the 3rd day of Safety Myths, my DOT gave to me… lifesaving tchotchkes!
Have you ever considered how much money traffic safety offices spend on swag to promote their campaigns? Who knew that “Toward Zero Deaths” thumb drives saved lives?

On the 4th day of Safety Myths, my DOT gave to me… “shared responsibility!”
A child, all of 100 pounds, is mowed down by a person driving a 4,500-pound pickup truck. What will you likely hear from police officers, highway safety engineers, Governors Highway Safety Association, and state DOTs? “Now, remember, children, safety is a shared responsibility!”

Bull pucky. Shared responsibility on the road isn’t a valid expectation of people who walk and bike until they are given equal consideration in road design and equal opportunity to move safely throughout the system.

On the 5th day of Safety Myths, my DOT gave to me… 5-stage crossings!
“Alternative intersections” is putting it nicely. All of these designs require navigation by pedestrians (and bicyclists in some situations) in what traffic engineers call “stages”. A two-stage crossing, for example, is something we’re all familiar with. It’s essentially a median or refuge island at a street crossing. Crossing to the next island is a stage….

The problem comes into play at traditional signalized intersections where the introduction of two-stage, three-stage and four-stage crossings have become commonplace. Be aware at a public meeting when a traffic engineer starts spouting the virtues of requiring pedestrians to do multi-stage crossing.

The problem is they fail to consider the value of a pedestrian’s time. Which is funny, because they love to talk about how many seconds they shave off a commute and use that compute a “value of time saved” dollar figure to woo elected officials and the public into spending billions on these crazy designs. In failing to consider a pedestrian’s time, they’ve also failed to consider the Federal Highway Administration’s own published guidance related to pedestrian delay and safety.

On the 6th Day of Safety Myths, my DOT gave to me… AASHTO standards!
Standard, /ˈstandərd/, noun: a required or agreed level of quality or attainment.

Required level? Or agreed level? Nearly everyone, especially the engineers, use the definition of standard that aligns more with it being a “requirement” rather than an agreed to level of treatment. Pitching elements of the AASHTO—the American Association of State Highway and Transportation Officials— "Green Book" as a requirement allows engineers to deflect questions about their decisions. On the contrary, if they used the term “standard” to mean something mutually agreed upon, that would open up the design to a true community-based approach.

But the interesting part is this: Not even AASHTO refers to its Green Book as a standard. It’s guidance.

On the 7th day of Safety Myths, my DOT gave to me… “the nearest crosswalk!”
“Just go to the nearest crosswalk.”

Seems simple enough, eh? Pedestrians, just go to the nearest crosswalk and cross there. How many times have you heard that from a traffic safety campaign or a law enforcement agency?

These agencies never bother to examine how traffic engineers have designed roads to promote greater dominance of motorists on the streets. On a section of Glenwood Avenue in Boise, ID, there is a 3,700-foot gap between signalized intersections. That’s 500 seconds of walking time (!!!!!!) for a pedestrian who comes out mid-block in this stretch hoping to cross the street. The equivalent is like forcing a motorist to drive five miles up the road to make a U-turn just to cross the street.

On the 8th day of Safety Myths, my DOT gave to me… Complete Streets policy!
The Safety House has so many lights strung upon it that it puts Clark Griswold’s abode to shame.

Context Sensitive Solutions. Complete Streets Policy. Active Transportation Plans. Corridor Studies. Environmental Justice. Heads Up. Vision Zero.

I’m tired of the false promises. I’m tired of being strung along by the engineering profession, telling us that whatever their latest wave of buzzword practices will be finally be the solution that leads to safer streets for all road users. The buzzwords seem to evolve but the actual engineering of streets doesn’t.

On the 9th day of Safety Myths, my DOT gave to me… “94 percent!”
How many times have you heard that go-to excuse from transportation agencies? “If everyone would just…”

If everyone would just obey the speed limit. If everyone would just use a crosswalk. If everyone would just stop texting and driving. If everyone would just stop drinking and driving. After all, since 94% of crashes are caused by human error, we’d be a lot safer if everyone would just….

On the 10th day of Safety Myths, my DOT gave to me… “FHWA says so!”
The 10th day is a potpourri of items illustrating how the Federal Highway Administration (FHWA) is a misunderstood organization. Just as AASHTO publishes “guidance” rather than “standards,” so does FHWA. It’s nearly impossible to find the words “shall” or “must” in FHWA’s published reports. The word “should” is prevalent across the wide spectrum of their transportation literature.

As we already know, transportation departments use FHWA’s publications and supported efforts to justify wider roads for cars at the expense of safety for people who walk and bike. However, if you look closely, you’ll find ample support from FHWA for equitable treatment of people who walk and bike. In all, FHWA isn’t the bad guy, here. We just have to learn how to use them to our advantage.

On the 11th day of Safety Myths, my DOT gave to me… “Make eye contact!”
I walk or bike with my daughter every day to school. We have since she was in preschool. Our journey in Boise includes crossing a signalized, t-intersection of a five-lane road and a three-lane road. We cross the three-lane leg of that intersection.

Our walk today was indicative of how ill-informed the tip is for pedestrians to make eye contact. It doesn’t align with how roads are actually engineered and how motorists are encouraged via that engineering to operate on them.

On the 12th day of Safety Myths, my DOT gave to me… 12-foot travel lanes!
Sadly, it’s at the local and state level where the prevailing “standard” becomes a barrier to safety, all in the name of shaving a few seconds off a driver’s experience. The tendency is to give drivers the most forgiving road they can possibly design.

What engineers term the “forgiving road” is one that forgives the mistakes motorists make. Wanna speed because you’re late? Our roads accommodate that to a certain degree. Not so much when the pedestrian is running late and needs to get to a bus stop on that same road.

When you delve into the issues, you realize that the authors of the “standards” aren’t the bad guys. Their works promote a very flexible mindset, and have for many years. Lane widths are one such example. The recently-released 7th edition of the AASHTO Green Book is a testament to that, and it provides all the support you need for narrower travel lanes in your community.

Wednesday, April 05, 2017

Carmageddon in Atlanta -- or maybe not, because "predictions of terrible traffic in the wake of even major disruptions to the road system are almost never realized."


To hell with facts -- we need more traffic lanes!

Carmaggedon stalks Atlanta, by Joe Cortright (City Observatory)

Why predicted gridlock almost never happens and what this teaches us about travel demand

It had all the trappings of a great disaster film: A spectacular blaze last week destroyed a several hundred foot-long section of Interstate 85 in Atlanta. In a city that consistently has some of the worst traffic congestion in the country, losing a key link its freeway system could only mean one thing: Carmageddon ...

 ... The prospect of gridlock makes for great headlines and local TV news stories, but as it turns out, predictions of terrible traffic in the wake of even major disruptions to the road system are almost never realized.

One of the most famous instances of this phenomena was in Los Angeles. In 2011 and 2012, the state highway department closed a 10 mile stretch of Interstate 405 on several weekends to rebuild overpasses. The media was awash in predictions of Carmaggedon. But surprisingly, nothing of the kind happened. As Brian Taylor and Martin Wachs explain in an article in Access, people mostly avoided taking trips in the area, or chose alternate routes, with the effect that traffic was actually much lighter than normal. They report that “Rather than creating chaos, the first closure greatly reduced traffic congestion.” Taylor and Wachs explain that “crying wolf” about likely gridlock depressed trip-taking in the affected area, but that effect faded as travelers realized things were nowhere as bad as predicted ...

Tuesday, February 21, 2017

ASK THE BORED: "Design Is Better Than Enforcement To Make Cities Safer For Everyone."


Last week, there was a rear-guard action. I'm not here to pick on Mr. Peterson. As you can see from the minutes of Valentine's Day, the board itself spent ample time scratching their heads.




Mr. Peterson's point, as offered last week as well as an October 2016 letter to the News and Tribune, is that we can have arterial streets designed for moving traffic at unsafe (and altogether anti-social) speeds, then easily reduce these speeds through constant enforcement -- though we wouldn't want to be a speed trap, would we?

In other news, I can have my cake and eat it, too. Yet again, for the umpteenth thousandth time ...

Design Is Better Than Enforcement To Make Cities Safer For Everyone, by Charlie Sorrel (fastcoexist)

Ticketing drivers isn't the answer to create streets that are friendly for pedestrians and cyclists.

Much as cyclists might like to see bad drivers punished for their distracted driving and their bike-harassing crimes, enforcement isn't the most effective way to make the streets safer. The best way to stop "accidents" is to design better roads.

Slower cars means safer roads, and while adding speed cameras and reducing speed limits can help, nothing beats a design that stops drivers from speeding in the first place. Also, slower cars mean less injury in the case of a collision, but again, avoiding the collision to begin with is even better ...

 ... Urban sprawl, and the unchecked ingress of the automobile into every area of our cities, is clearly the problem. And better infrastructure, designed to make driving more difficult in order to make cites better for everyone, is an obvious solution. But it requires bold decisions, like the Barcelona's controversial Super Block scheme, and those decisions require a political will that is often too weak in the face of bullying from car drivers. Design may be more important than enforcement, then, but it's strong politics that will make those changes.

Sunday, March 27, 2016

"The idea that people riding bikes don’t pay for the roads is pervasive, and completely untrue."


Because Easter is the perfect sort of day for myth-busting.

The Free Rider Myth – Who Really Pays for the Roads?, by Elly Blue (Momentum Mag)

... The idea that roads are funded by user fees paid by people who drive is one of the great myths that buttresses our entire way of life. While the veneer on that myth has been crumbling for some time, we have only recently been forced to begin to look hard at it. And the difference between riding a bicycle and driving a car is surprisingly vast – but not in the way most of us imagine.

What if I told you that by driving a car you become a freeloader, a drain on the economy? That people who bicycle instead are subsidizing a road system that they are largely not welcome on? In order to break even on the cost of roads and pay for every driver who uses them each year, we would need 54% of commuters using a bicycle as their sole means of transportation.

Friday, January 01, 2016

More unread Gahan reading at CityLab: "10 Tired Traffic Myths That Didn't Get a Rest in 2015."


As Jeff Gahan and his crack team of form-over-content suburbanites prepare to butcher Jeff Speck's Downtown Street Network Proposal into political monetization kicks and Main Street licks, here is a useful list of flatulent bubbles in need of bursting.

(Need help with any of these words, Shane? Consult this useful tool: That Wordbook Thingy

Click through to read them all in detail. I have placed our spotlight on the myth most likely to be ignored as Speck is rendered into gibberish: "A wider road is a safer road."

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10 Tired Traffic Myths That Didn't Get a Rest in 2015, by Eric Jaffe (CityLab)

The common traffic misperception I submitted for the CityLab staff post on stubborn myths we’d like to retire was just one of many encountered, yet again, during 2015. Here’s a full list for your reading-while-not-driving pleasure. Safe travels this New Year’s, and all those to come.

1. More roads mean less traffic
2. More transit means less traffic
3. Bike lanes make traffic worse

4. A wider road is a safer road
Speaking of 12-foot lanes versus 10-foot lanes, the common perception holds that the wider option is a safer design, since it gives drivers a bit more room to maneuver. But what some new research published in 2015 showed quite clearly was that wider lanes also invite cars to drive faster—erasing whatever safety benefits might be gained by additional space, and actually leading to more dangerous streets.

An evaluation of intersections in Toronto and Tokyo found lower crash rates in lanes that were closer to 10 feet, compared with those that were wider than 12 feet. “Given the empirical evidence that favours ‘narrower is safer’, the ‘wider is safer’ approach based on intuition should be discarded once and for all,” wrote the researcher who conducted the study. Oh, and the 10-foot lanes still moved plenty of traffic.

5. The next lane over is moving faster
6. Everyone else’s bad driving is the reason for traffic
7. You need to get lots of cars off the road to reduce traffic
8. Removing an urban highway would be a traffic nightmare
9. There’s no downside to cheap gas
10. Drivers pay the full cost of road maintenance