BBC: "End of the road? Are major routes through cities outdated?"

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"A report looking at Birmingham's transport network for the next 20 years has concluded the future of the Queensway tunnels should be examined. It is not the only place in the UK that relies on a route for cars through the city. So are such roads outdated?

"When it emerged Birmingham's Queensway tunnels would be closed for six weeks over the summer, it is no surprise there were predictions of 'chaos'.

"The main through route for the A38, the tunnels are used by thousands of drivers each day and have been an integral part of the city's transport network since they were built in the 1970s.

"There was some surprise, therefore, when the anticipated gridlock did not materialise."