James Byrne says plans for an M4 Relief Road contradict commitments to tackling climate change.
Chris Sutton says there is substantial risk involved in not building an M4 Relief Road.
Josh Miles says an M4 relief road will offer limited development opportunities for Wales.
Gareth Clubb says Edwina Hart is applying a ‘predict and provide’ prescription to her top transport challenge
Ieuan Wyn Jones explores the dilemma the Welsh Government faces over the Bryn Glas tunnels bottleneck
Denise Lovering asks how long we will have to pay more than £76 million a year to cross into England