Thousands more railway staff will vote on whether to go on strike, adding to disputes which threaten chaos on the train network this summer.
The Transport Salaried Staffs Association (TSSA) will ballot 6,000 Network Rail staff. The dispute is about pay, conditions and job security, the union says. If the members agree to take industrial action, they could walk out from July 25, the first week of the school holidays in England.
TSSA members working for CrossCountry, East Midlands and West Midlands trains are voting on a separate strike that could hit the network in late July or early August, when Birmingham hosts the Commonwealth Games.
