Motorways and primary routes in the borough which are maintained by Highways England (trunk roads de jure) include the M6, M56 and the A556.
A556 Knutsford to Bowdon Improvement: A new five-mile four-lane dual-carriageway bypass of Bucklow Hill and Mere Crossroads on the A556 is currently under construction by Highways England at a cost of between £165-£221 million.