On Wed, 9 Dec 2009 16:39:44 -0000
"Jeremy Parker" wrote:

Do they make little ones, for hedgehogs?

Actually, if it's no longer the driver's responsibility to see
things, a radar operated brake might be better, together with a
signal to pass on a warning two or three cars back

I'd go with the radar, but not the signal. The followers' own radar
(or even eyes!) should have told them to leave more of a gap...

"Think of it as Evolution in Action."


Mike
--
Mike Causer