Cab signalling would not work for NLL at the current time because the
route is used by so many trains which are not fitted. The costs of
fitment would be very high.

ELLX would have been a good route to try it on with all new trains, but
I think they decided the technology was not mature enough when they had
to let the contracts.

In article ,
writes
I wonder if they considered new types of signalling on the NLL, such as
cab signals. Did they consider that at all on the ELLX?


--
John Alexander,

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