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Better information for your journey
The National Traffic Control Centre collects real-time information on road conditions.
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How We Manage Our Roads
In this section you can find out more about how we manage and maintain these roads and plan for the future
The Project Control Framework
This framework sets out how we, together with the Department for Transport, manage and deliver major road improvement projects.
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Helpful ways to access the latest traffic information when you need it.
M4 J20 to J21 Driver Information Signs
M4 J20 to J21 Driver Information Signs
The Project
Two new electronic message signs have been installed on the M4 westbound approaching the Severn River Crossing to Wales.
The new signs give drivers real time advance warning of road conditions ahead, including information about the status of the Severn crossings.
Phase 1 of the works completed on 31 March 2009 and Phase 2 of the works completed on 2 July 2009.
