schmunk
Why oh why oh why?
Fair point! Waze is essentially the same as GM.Waze (owned by Google) has long been my navigational tool of choice. I think on a day like today, it won't be much good as it won't know about all the people coming from Falmer until it's too late.
However, I have a cunning plan which can help your app know about the traffic...
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Hold back in Falmer for an hour or so, to let it build up a pattern of the extra traffic, then you can set off and see where it is! Flawless.