> 35% of all car trips are shorter than 2km....
> You have to be a bit careful about these figures.
> If you set off on a long trip, stop at a garage
> locally for petrol, and then continue, that's 2
> trips - once under 2km, and one longer.
That's one trip with two stages. " A trip is defined as a one-way movement from an origin to a
destination to achieve a specific purpose, for example, to go from home to work.
Each trip may involve travel by one or more individual modes of transport. These
component parts of trips are referred to as journey stages. Key concepts relating
to trips, journey stages and main mode of travel were explained in detail in Travel
in London report 5, including the assignment of a main mode to each trip based on
the journey stage by which the longest distance is travelled (as part of a whole
> very much on how they are being both recorded and
> reported. Broadly (and it makes sense) the figures
> give a reasonable view - mostly (60% of the time)
> you travel within around 5kms of your starting
> place before returning - though who you're with,
> what you are carrying and the purpose of your
> journey are ignored. As is the state of the
> weather and the time (you're more likely to take a
> car if you plan some part of your journey out or
> return when public transport you could use isn't
Other criteria for switching from car in here
Criteria - Filter
Encumbrance - The person making the trip is carrying tools or heavy work equipment.
Age - Trips of more than 1.5km made by those aged under 12 or over 69; trips of more than 2km made by those aged 12-69.
Current mode - Trip made by van, dial-a-ride, plane or boat.
Trip chaining - The trip is part of a wider chain of trips that cannot be walked in its entirety
Criteria - Filter
Encumbrance - Person carrying a heavy or bulky load
Trip length - Trip is longer than 8km
Journey time - Trip would take more than 20% extra time to cycle
Age - Traveller is over five and under 64
Time of travel - Trip is made between 8pm and 6am
Disability - Traveller has a disability affecting their travel
Current mode - Trip made by van, dial-a-ride, plane or boat
> And if you're running a relatively (or completely)
> 'clean' vehicle - electric or hydrogen
> (eventually) the number and length of your trips
> will be completely irrelevant when it comes to
> issues of pollution. Which is the future that many
> people are looking to - but if the cycling brigade
> get their way, and we are forced out of having
> cars, the necessary economies of scale for an
> electric or hydrogen future will be lost. If
> people don't or can't, buy sufficient numbers of
> the cars, they will be generally unaffordable - so
> the only motorists left will be the wealthy.
> Considering the socialist (indeed Marxist)
> background of so many of the campaigners surely an
> unintended consequence?
"A literature review carried out for the European Commission concluded that about half of all particulate matter results from brake dust, road dust and tyre erosion"