"Roland Perry" wrote in message
...
In message , at 14:19:18 on Sat, 17 Sep 2016,
tim... remarked:
You could do that today using ANPR for those regular users with an
account.

1) you'd still need the barrier so that it could remain closed until the
cash payer had paid the correct amount (and in the completely idiot
proof system - received their change)

No physical barrier required, just traffic lights.

but that will still result in a queue

Only for a couple of lanes, and last time I drove over the bridge it was
stop/start the whole way, so this "freeflow" thing is a bit of a myth.

just over the bridge?

Before they introduced free flow the stop-start started at the approach to
Junction 28

tim




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