nightjar nightjar@ wrote:
"Chris Hodges" wrote in message
...
nightjar nightjar@ wrote:
Lit roads are much safer at motorway speeds, as they greatly extend the
range at which people can see, particularly if there is an unlit
obstruction, such as an accident. Driving with a uniform lighting level
is also less tiring than looking down the beam of headlights. However,
below a certain level of traffic, the improvement is not enough to
justify the cost of lighting the whole motorway.
That's all very well, but the transition in and out of lit areas is often
much worse than the dark stretches.

One reason that fully lit motorways would be better.

The light level they aim for is also quite high - 1/2 the power pread as
evenly would seem to do pretty well towards the same ends.

The lighting levels have been worked out, over many years, as the minimum
needed to do the job. No lighting authority wants to pay for more light than
they need.


Indeed, But they don't pay. The taxpayer pays..and pays..and pays..
Colin Bignell