Archive for ‘bikes’

09/16/2010

USC’s big-bad bicycle ban (not)

As a pedestrian, I have the dubious distinctions in life of having been hit by both a very slow-moving car and a relatively fast-moving bike. The fast-moving bike incident was much worse for me, broke three of my ribs, chipped a bone in my knee, and left me in chronic pain. Had I been frail and elderly at the time of the bike accident, it could have been the beginning of a death sentence.

So yesterday some of our wonderful students posted emails trying to organize against USC’s new bicycle ban on its most heavily trafficked pedestrian corridors. I’ve been thinking through the question, and I have to admit: I don’t get what the big kerfuffle is about the rule.

LADOT Bike Blog has a number of comments, all of which strike me as making a big fuss where none is needed. Here’s the actual rule:

The areas currently under ban for bicycle riding are Trousdale Parkway and Childs Way (map), the primary north-south and east-west thoroughfares through campus, each almost half a mile in distance. Trousdale Parkway is currently listed as a bike lane in Metro’s new bike map and is listed as a bike path facility by google. As of Tuesday September 14, bicyclists must walk their bicycles on these two thoroughfares from 9AM to 4PM.

link: USC Bans Bicycles on Bike Lane, More Restrictions to Come « LADOT Bike Blog

Ok so let’s look at these two walkways on a map:



Two walkways out of eight routes are being restricted. One of those restricted routes, Trousdale, I can walk the length of in 5 minutes; the other one, Child’s Way, I can walk the length of in 12 minutes. Now, I am old and fat and out of shape–not a 20 year-old young healthy person. So students can get between classes even with being expected to walk their bikes.

Second, there are a lot of parallel routes. So it’s hardly the case that bikes won’t be allowed anywhere even if you did have short time between classes.

And the “ban” is in effect for all of 7 hours a day.

This isn’t much of a ban. This would be known as “expecting students to behave how anybody over 40 was taught to behave with a bike where there are lots of pedestrians.” That’s right. Before biking became a political idea about saving society and the planet, and bikers became activists who act like asking them to dismount for others’ safety is tantamount to making them sit in the back of the bus, kids on bikes were told that when you encounter a lot of pedestrians, you dismount, and you walk your bike. We didn’t have paths. We were simply taught to think about other people and their safety, and act accordingly.

LA Bike Blog’s point is that Copenhagen has found ways of accommodating high volumes of bikes. Note that the picture they choose to illustrate this point…has no pedestrians in it. None. That isn’t a picture of high volumes of pedestrians and bikes working together. That’s a whole a bunch of bike riders, all alone, at the center of the image.

And that’s kind of a problematic view of the bike-pedestrian world, don’t you think?

So the LA Bike blog’s answer is that USC should be educating bicyclists. Many students come from out of state and many come from outside the country. Teach them how to bike in a considerate manner rather than ban them.

Great answer. You know what? That’s exactly what the bike “ban” is doing. It’s teaching people how to behave with a vehicle in a place a critical mass of pedestrians. What my generation of bicyclists was expected to do out of politeness, the next generation of bicyclists is being normed into doing via formal rules because populations in play are larger, more diverse, and more transitory. They are thus more difficult to acculturate through informal means. So…people try to enact formal controls.

IOW, the formal rule is a sign of progress rather than failure; I suspect that this is leading to dedicated bike paths and new bike intersections as the conversation evolves.

As I say to my students in my transportation and the environment class, it’s a mistake to believe that pedestrians’ interests always align with bicyclists’. That’s only true when your focus is controlling cars. Otherwise, it will take negotiation and design to make things work between different groups. It always does.

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08/18/2010

Bike sharing and job centers

Yonah Freemark writes:

But most American cities have no choice but to include their primary, monofunctional, business districts in their bike sharing plans simply because those business districts are in the center of the city. It will be interesting to watch Washington, D.C. and other cities attempt to cope with the problem of the unidirectional commute as their inhabitants get used to biking to and from work, but London’s experience makes clear what they’re likely to experience.

link: Can Bike Sharing Work in Cities With Monofunctional Job Centers? « The Transport Politic

So this is one of the bottom-line conundrums of the sustainable transport connection. Because in general, this sort of unidirectional commute is *perfect* for rail transit. You want to load up linear corridors. It’s just that you need need bikes and walking to fill up the spaces in-between transit stops.

So maybe one of the answers is that you create a subscription service that includes a transit and bike pass. You use the train for line-haul, you hop off and the same pass gets you a bike to share.

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07/22/2010

The Book Bike

via Bookshelf: Book bike

Found toodling around Chicago area parks. This just makes me smile.


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07/08/2010

Cities for Cycling Video featuring Timothy Papandreou

Here’s a nice link for a video produced for National Association of City Transportation Officials (NACTO). UCLA grad Tim Papandreou (who pretends to be from Australia, but I think he’s in the witness protection program) is a graduate from the UCLA planning program and a bike planner in San Francisco.

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06/27/2010

David Sloane, Judith Butler, ghost bikes, and the entitlements of mourning

Earlier last week, Gothamist reported that the sanitation department was going to clear out the “ghost bikes”, shown here, largely because they have started taking up too much room. Ghost bikes are memorials created for bicyclists who have died on road in crashes with vehicles:

Leah Todd, who heads up the Street Memorial Project here in NYC, tells us, “It would be devastating for many people who use them to mourn or remember or advocate better conditions for safer streets.” When asked if the memorial movement had faced opposition in other cities, Todd said, “We’ve seen a lot of interesting things happen in different cities. In DC when a ghost bike was removed, 21 ghost bikes returned on that corner to replace it on the next day.”

link: Ghost Bikes Targeted by Sanitation Department – Gothamist

There were about 45 to 50 ghost bikes around New York City slotted for removal. The city rapidly saw (probably due to the tactic suggested above) that this wasn’t going to be politically worth the conflict, and so they dropped the plan:

City nixes plan to remove ‘ghost bike’ tributes after outcry from families of dead cyclists.

I have to admit to being somewhat torn about the ghost bike question. Of course memorializing bicyclists is important, but the space-consumptive nature of the ghost bike in the public sphere is off-putting to me. Ghost bikes do take up space where it is as a premium, and the reason why the bike advocates think it’s great is the same reason I pause over it somewhat: the in-your-face-there’s-a-victim-of-a-vehicle who died here. Fine, I get that.

But where are the very public, very prominent memorials for pedestrians who die the same way?

Or the public memorials for homeless people who die on the streets?

Of course we want safe streets. Absolutely. But why are bicyclists entitled to very public, and I guess now we’re supposed to allow them to be permanent, displays of mourning when others, also arguably victims of unsafe streets, are not?

Judith Butler said some really interesting about mourning and recognition in a recent interview:

It is not enough to have a politics that has “public mourning” as its final goal. The point of public mourning is to expand our ideas of what constitutes a livable life, to expand our recognition of those lives that are worth protecting, worth valuing. This is, importantly, not an individual activity, but something that not only happens in public, but has the power to redefine the public sphere.

link: Judith Butler – Ungrievable lives | Re-public: re-imagining democracy – english version

One of my favorite colleagues, David Sloane, wrote his dissertation on cemeteries and memorials, which he then published into an absolutely wonderful book on cemeteries and cities, which gets into the politics of prominence of mourning and the use of urban/rural space for memory.

Sloane, D. 1991. The Last Great Necessity: Cemeteries in American History. John Hopkins University Press.


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06/22/2010

Pat Mokhtarian on telecommunications, travel and cars

Here’s some video where Dr. Mohktarian discusses the implications of her work for future transport in cities:

Patricia Mokhtarian – We still need handshakes.

Here is a selection of her work on the subject:

Mokhtarian, P.L., 1990. A typology of relationships between telecommunications and transportation. Transportation Research 24A (3), 231–242.

Mokhtarian, P.L., 1998. A synthetic approach to estimating the impacts of telecommuting on travel. Urban Studies 35 (2), 215–241.

Mokhtarian, P.L., 2000. Telecommunications and travel. In: Transportation in the New Millennium, Transportation Research Board, National Research Council, National Academy of Science, Washington, DC. Available from:here.

Mokhtarian, P.L., 2002. Telecommunications and travel: The case for complementarity. Journal of Industrial Ecology 6 (2), 43–57. Mokhtarian, P.L., Meenakshisundaram, R., 1999. Beyond tele-substitution: disaggregate longitudinal structural equations modeling of communication impacts. Transportation Research 7C (1), 33–52.

Mokhtarian, P.L., Salomon, I., 2002. Emerging travel patterns: Do telecommunications make a difference? In: Mahmassani, H.S. (Ed.), In
Perpetual Motion: Travel Behaviour Research Opportunities and Application Challenges. Pergamon Press/Elsevier, New York, pp. 143–182.

Mokhtarian, P.L., Handy, S.L., Salomon, I., 1995. Methodological issues in the estimation of the travel, energy, and air quality impacts of telecommuting. Transportation Research 29A (4), 283–302.

Choo, S. & Mokhtarian, P. L. (2007). Telecommunications and travel demand and supply: Aggregate structural equation models for the US. Transportation Research Part A, 41(1), 4-18.

When you are a young scholar, you get to meet people whose work you’ve admired for years and years. When I first read Pat Mokhtarian’s work on telecommuting, the lights went on–a lot like when I read Randy Crane’s and Marlon Boarnet’s work. These were policy and planning people who understood and applied economic thinking to cities. Just because you provide additional, alternative options to auto travel does not mean that auto usage in the aggregate will shrivel. It probably means more travel overall because now people have more ways of getting around. Yes, some substituting goes on for some individuals, but for public policy, but what actually matters is overall VMT reduction, and nothing about additional supply of alternative modes guarantees overall VMT reductions because nothing keeps people from simply consuming more of all types of mobility options. “Ooo! A wonderful train to work! I shall take that instead of drive!” Victory, we planners exclaim! But then suddenly your stay-at-home spouse has a car available during the day and starts to use it more. Or, the same decision-maker says “Ha! I take the train the work, and since I’m not annoyed by driving for my commute, I will take the car after work to visit my friends in the far-flung suburb when I would otherwise beg off.” Those may be utility-increasing, but they are not necessarily VMT-reducing scenarios. They may be congestion-dampening, however.

Mokhtarian is part of an absolutely amazing cluster of scholars at the University of California Davis doing research on transportation: Dan Sperling, Deb Niemeier, Michael Zhang, Mark DeLucchi, and Sue Handy.


03/06/2010

The Woman Who Stops Traffic

Jim McPartlan, the director of our IT here at the School of Policy, Planning and Development, brought this to my attention. It’s a cute show, and she really does have clever ways of trying to get people to rethink their choices.

The Woman Who Stops Traffic: About the Show : Planet Green


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02/22/2010

The Beautful Bike

One of my students, Kevin, would never forgive me if I just highlighted the Thunderbird as a masterpiece of design without following up on just how beautiful bikes can be, too. The one I’ve pictured here is from Renovo Hardwood Bicycles. These are bamboo! According to the maker, this first weighs only 18 pounds. Amazing. The commuter below must weigh more, but isn’t it something?


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02/10/2010

Jak and Jil Blog on bicycling in YSL Killer Heels



Completely badass!

via Jak and Jil


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02/06/2010

The Difference Between Good Policy and Good Practice

Here’s a nice experiment on the effects of bike helmet laws on youth bike riding from the Freakonomics blog

Do Bike-Helmet Laws Discourage Bicycling? – Freakonomics Blog – NYTimes.com

We had this discussion a bit ago: helmet laws appear to dampen youth bicycling, which we don’t want to do since we want to promote both clean transport and physical activity. So the policy has a side effect we don’t like.

But it’s a whole lot better for kids to wear helmets: injury and death rates are significantly lower when they do, even controlling for the induced decrease.

So what’s to do? I’m not sure legislating behavior is a great idea (the policy) but the practice should be fairly clear to parents: helmets are a good idea. And not just for biking: skateboarding and rollerblading, too.*

I’ve always wondered why, if the helmet is an expense problem, we couldn’t subsidize purchasing helmets through schools, though.

*I’m so risk averse, though, that I think wearing a helmet in the bathroom is a good idea and I would if I didn’t prevent shampoo use.


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