Reference

Roads and Traffic

Highways agency,  (traffic England)  find the road works etc.

Traffic Scotland

Traffic Wales

Traffic Watch - Northern Ireland

Transport for London   plus interactive map with pop up information on planned hold-ups, zooms down to street level, and back to regional map. You can also get it to show all CCTV cameras and see shots of any.

Traffic Radio - hear about the latest traffic problem before you leave home.

Sustrans - cycle routes, download map of all, interactive mapping etc.

Transport direct (dept of transport) includes car journeys, find a car park and plan a journey using public transport, or car plus find a place, road problems. Flight, coach, trains are also included.