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NYC Bike Stats

sirpthatch.github.io

11–20 of 28 posts

Re: NYC Bike Stats

#11

The article says they do the survey on a particular day each year whereas the data set is less specific on that fact. Surely they do the survey over multiple days...? If available, there must be a ton of citibike usage data one could use to verify the citibike stats collected by this survey and generally validate this data a bit.

Why they not rather contact with Fitbit, Garmin, Under Armour, etc. to provide data?

Strava, MapMyRide and Garmin Connect would probably be the best data sources.

Re: NYC Bike Stats

#12
post #10

> Let me just start by saying that there is no good reason not to wear a helmet when riding a bike in NYC. One common argument is that drivers have more respect for cyclists without helmets, i.e. they're more afraid of hitting a cyclist without a helmet. The discussion goes back a long time, this article for instance is 9.5 years old: https://www.scientificamerican.com/article/strange-but-true-... I guess, most cycli…

There is also no good reason not to wear a helmet when driving a car. Head trauma kills regardless.

Re: NYC Bike Stats

#13
post #9

Earlier quoted context omitted.

Why they not rather contact with Fitbit, Garmin, Under Armour, etc. to provide data?

Perhaps because it would be biased? Cyclist population who wears fitness trackers might look different than the population of all cyclists. So now you have sampling bias to deal with.

Yes, this. But even so, I'd probably take that over basing my annual cycling stats on sample taking on a single day.

Re: NYC Bike Stats

#14
post #10

> Let me just start by saying that there is no good reason not to wear a helmet when riding a bike in NYC. One common argument is that drivers have more respect for cyclists without helmets, i.e. they're more afraid of hitting a cyclist without a helmet. The discussion goes back a long time, this article for instance is 9.5 years old: https://www.scientificamerican.com/article/strange-but-true-... I guess, most cycli…

Also with citi bike people can find themselves biking home from a spot they didn't bike to and not have a helmet on them.

Re: NYC Bike Stats

#15
post #10

> Let me just start by saying that there is no good reason not to wear a helmet when riding a bike in NYC. One common argument is that drivers have more respect for cyclists without helmets, i.e. they're more afraid of hitting a cyclist without a helmet. The discussion goes back a long time, this article for instance is 9.5 years old: https://www.scientificamerican.com/article/strange-but-true-... I guess, most cycli…

There is also no good reason not to wear a helmet when driving a car. Head trauma kills regardless.

> wear a helmet when driving a car.

Seat headrests and side impact air bags provide this function much more effectively than loose helmets. Which are not safe for use in passenger cars due to neck trauma. Further, your skull hitting the pavement is more rapid acceleration than a survivable car crash.

That said, NASCAR drivers do use helmets and a five point harness instead of air bags. But, very importantly they strap the helmet to the head rest, but that only works because of the five point harness and several other safety systems missing from consumer cars. https://en.wikipedia.org/wiki/HANS_device

TLDR: The issue is neck trauma. Which NASCAR avoids, by strapping both the driver and their helmet down.

Re: NYC Bike Stats

#16
> Don’t bike on the sidewalk. Seriously.

A prevalence of biking on the sidewalk in an area is a signal to designers that cyclists feel it is too dangerous to bike on the road amongst traffic. It means that a protected bike lane needs to be built.

Re: NYC Bike Stats

#17
It's hilarious that you would interrupt a blog post on analyzing a data dump for a sermon on helmets that is not remotely supported by the empirical data.

Cyclists die in traffic because they are hit by multi-ton motorized vehicles, not any of the things enumerated here.

Re: NYC Bike Stats

#18

> Don’t bike on the sidewalk. Seriously. A prevalence of biking on the sidewalk in an area is a signal to designers that cyclists feel it is too dangerous to bike on the road amongst traffic. It means that a protected bike lane needs to be built.

It might also signify a tourist area - near Central Park, I usually see people who look like locals riding in the street, and people who look like tourists riding on the sidewalk.

(Tourists tend to have bikes with bike-rental logos, or Citibikes; locals tend to have their own bikes, or if on citibikes, are dressed more like locals.)

Re: NYC Bike Stats

#19
post #10

> Let me just start by saying that there is no good reason not to wear a helmet when riding a bike in NYC. One common argument is that drivers have more respect for cyclists without helmets, i.e. they're more afraid of hitting a cyclist without a helmet. The discussion goes back a long time, this article for instance is 9.5 years old: https://www.scientificamerican.com/article/strange-but-true-... I guess, most cycli…

The University of Bath study was barely scientific. The researcher was his own test subject, and there has been no attempt at replication that I'm aware of.

Yet this study is cited in every discussion of bike helmet use.

I've been interested in this topic for some time, as a year round bike commuter with my entire family on bikes. It's become a prickly topic because of the intensity of advocacy from both sides of the debate.

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