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Cycling causes congestion

Started by Tom Crispin · · Last activity · 6 posts · 301 views

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UK and Europe
Published
7 January 2007
Last activity
8 January 2007
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Tom Crispin
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6
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  1. From the Shanghai Daily - 4 January 2007

    BICYCLES STILL RULE THE ROAD

    About half of China's urban residents still choose to cycle to work
    despite rapid development of public transport over recent years, a
    transport expert told a recent forum in Guiyang, capital of southwest
    China's Guizhou province.

    The number of busses in Chinese cities has more than doubled from
    136,000 in 1994 to 287,000 in 2004, while passenger volume jumped from
    29.9 billion to 42.72 billion over the same peroid, according to Wei
    Quinchao of Beijing Jiaotong University.

    But when the urban residents go out, one-third walk, less than 20
    percent take the bus, and about 50 percent cycle, he said. The other
    10 percent use private cars. [The numbers don't add up!]

    One reason for the large number of cyclists is that the urban
    population is usually concentrated in the downtown area of a city and
    the average distance for commuting is short, he said.

    "But on the other hand, Chinese public transport still needs
    improvement in terms of punctuality and speed," he said.

    Currently, the mainland has about 500 million bicycles, according to
    Beijing-based China Bicycle Association.

    A number of Chinese cities have pledged to boost the development of
    public transport to boost the development of public transport to ease
    traffic congestion and other problems.

    Xinhua

    I am not quite sure how to interpret this article. It seems to be
    blaming the sheer volume of bicycles and the lack of a decent public
    transport network in urban areas for congestion. 10% of urban workers
    using private vehicles does not seem to be an issue for the author.

  2. "Tom Crispin" <[email hidden]> wrote in message
    news:[email hidden]...

    <snip chinese anti bicycle article>

    Quoted message said:

    I am not quite sure how to interpret this article. It seems to be
    blaming the sheer volume of bicycles and the lack of a decent public
    transport network in urban areas for congestion. 10% of urban workers
    using private vehicles does not seem to be an issue for the author.

    The Chinese government aren't keen on bicycles any more. I assume they see
    it as a sign of being an undeveloped nation. The chinese media are run by
    the government, so this is what you get.

  3. Doki said:


    "Tom Crispin" <[email hidden]> wrote in message
    news:[email hidden]...

    <snip chinese anti bicycle article>

    Quoted message said:

    I am not quite sure how to interpret this article. It seems to be
    blaming the sheer volume of bicycles and the lack of a decent public
    transport network in urban areas for congestion. 10% of urban workers
    using private vehicles does not seem to be an issue for the author.

    The Chinese government aren't keen on bicycles any more. I assume they see
    it as a sign of being an undeveloped nation. The chinese media are run by
    the government, so this is what you get.

    There are mixed messages.

    The Shanghai Government is desperately trying to encourage more
    children to cycle to school to tackle a rising obesiety problem.

  4. Tom Crispin said:

    From the Shanghai Daily - 4 January 2007

    BICYCLES STILL RULE THE ROAD

    But when the urban residents go out, one-third walk, less than 20
    percent take the bus, and about 50 percent cycle, he said. The other
    10 percent use private cars. [The numbers don't add up!]

    They do add up. 33.3% walk, 50% cycle and 10% use private cars leaving
    6.67% on the bus, which is indeed less than 20%.

  5. Den 2007-01-07 21:34:33 skrev Tom Crispin
    <[email hidden]>:

    Quoted message said:


    I am not quite sure how to interpret this article. It seems to be
    blaming the sheer volume of bicycles and the lack of a decent public
    transport network in urban areas for congestion. 10% of urban workers
    using private vehicles does not seem to be an issue for the author.

    Bicycles are better congestion-wise than cars are, but they are much worse
    in this respect than public transportation.

    A tram measures 30x3 metres and has 80 seats. Assume it can operate with a
    10m headway. That's 80 seats per 120 square metres in rush hour, or one
    seat per 1,5 square metres.

    A bike measures 2x0,5 metres and has one seat. Assume a cyclist needs two
    square metres of empty road ahead. That's three square metres, double what
    the tram takes. And I'm not counting standing passengers in the tram. Play
    around with the numbers yourself and I think you will arrive at similar
    conclusions.

    If all the cyclists of Shanghai switched to publc transport, the total
    capacity of the streets there would increase 50%. Just like that!

    Just before you brand me an anti-cyclist troll, let me point out that a
    car measures 4x2 metres and needs sixteen square metres on the road to
    operate. With one to four people in the car, that's between four and
    sixteen square metres of street space per person in the car. So cars are
    between zero and five times as space-wasting as bicycles, and between
    three and ten times as wasteful as trams.

    I've assumed all the seats in the tram are full; in rush hour, there would
    actually be some standees as well, so the tram is actually slightly more
    efficient space-wise than this exercise indicates.

    Erik Sandblom

    --
    Oil is for sissies

  6. Erik Sandblom said:

    Just before you brand me an anti-cyclist troll

    I wouldn't dream of doing that.

    But I would like to point out that it's not uncommon to see 3 or even
    four people on one bike in Shanghai. And in Sanya I saw an incredible
    7 people on a moped.

    For your entertainment, here's a picture of the longest load I've ever
    seen carried on a bike.

    It was taken on Christmas Day in Sanya, a city in the extreme south of
    Hainan Island, in the extreme south of China. Indeed, only a few
    miles short of the most southerly point of China - World's End.

    www.johnballcycling.org.uk/photos/longload

    I guess this cyclist takes up about as much space as a bus.

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