From potholes to HS2, transport gets voters going – but some solutions are unsayable

As Labour and Tories promise rail reform and court motorists, many experts think road pricing is inevitable

Better railways, safer roads, cleaner fuels: in another decade, they would be the kind of transport issues commanding a pragmatic consensus in British politics.

But this election lands with transport wildly politicised, with clean air, speed limits and high-speed rail all dragged into the wider culture wars.