Around 500 bus workers in Wiltshire and Dorset are set to be balloted for strikes over working conditions.
Bosses at Wilts and Dorset buses—part of the Go Ahead group—are trying to impose changes to shift and unpaid meal-breaks hours.
The workers are members of the RMT union.
The ballot is set to run from until 7 February.
News in brief from workers' struggles
Outsourced cleaners are fighting back
Organise to finish fascist Tommy Robinson