Andrew Heenan wrote:

And even the convenience arguments are flawed. Crossrail does not *have* to
be an all-stopper;

No, but it's the only rational choice. The longer the overall journey,
the less the benefit from avoiding a change of trains. It makes sense to
use the cross-London lines for services it will benefit most - roughly,
those for which the slowness of an all-stations service is outweighed by
the time saving from not having to change.

In addition, we know that reductions in journey times just increase the
distances people will travel, after a few years to adapt, change jobs,
move house etc. A commuter line ought to be encouraging people to live
closer to work, not farther away, in the interest of avoiding
unnecessary energy use.

Colin McKenzie

--
No-one has ever proved that cycle helmets make cycling any safer at the
population level, and anyway cycling is about as safe per mile as walking.
Make an informed choice - visit www.cyclehelmets.org.