Motorists who use the M6 are being warned to expect a surge in traffic as train passengers switch to road transport during the rail strikes.
Over the weekend, several gantry matrix signs displayed messages to drivers who use the M6. The signs warned of potential disruption from June 21 to 25 amid train strikes and told motorists to expect heavy traffic.
The AA has predicted the worst affected roads are likely to be main motorway arteries. A spokesman said: "Even though the strike is for three days, many travellers will give up on the trains for the whole week.