Not necessarily, because it depends on how well the driver knows the line.

That double yellow is warning him that the signal ahead is yellow, after
which he really has to think of slowing down.


"asdf" wrote in message
...
On Fri, 16 Nov 2007 17:05:14 +0000, Tom Anderson wrote:

Don't double yellows mean the train has to be going below a certain
(specified) speed on reaching the next signal?