"We are able to provide traffic speed, flow and incident information to drivers in 95 markets nationwide, " said VanDagens.

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Traffic will flow through high-speed underground roadways and aboveground interchanges.

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It creates a bus lane on the hard shoulder and uses sensors in the road to detect when mandatory speed limits should be varied to help traffic flow.

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The plans for the motorway near Sheffield include variable mandatory speed limits displayed on overhead and verge-mounted signs to smooth traffic flow and reduce congestion said the agency.

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