"asdf" wrote in message
...
On Thu, 23 Aug 2007 21:28:49 GMT, wrote:

The platform headwall corner signals are "true" starters. A Vic line
train running in usual ATO mode will not normally pass a red signal
(white
aspect shown when an ATO train can pass, but train in manual cannot).

I was referring to the white aspect in my earlier post, not the red one. I
was wondering why some drivers chose to hold at a station, even if they
have
a white aspect.

Because they're driving in manual?

I've seen them driving in ATO and holding even when they have a white
aspect, at least on the Central line.

Even if they are driving in manual they would have to be on code, and even
then they would be able to proceed on a white aspect.