BBCNEWS BBC News June 4, 2024 14:23:00
Smart motorways were first introduced in 2006 and currently make up about 10% of england�*s motorway network. however, there are three types of smart motorway. let�*s take a look. the first, controlled. the second, dynamic. and the third is known as all lane running. firstly, controlled is where there is a permanent hard shoulder, however if there is congestion, say from an accident, then technology like electronic signs can be used to slow the traffic down. the second is dynamic, that is when the hard shoulder is opened up to traffic at times of congestion, but then you will always see th...