Second and third shifts are more costly, yes. Many fewer people want to work them, so supply is much lower, so prices are higher. Also in evenings, road crews

Second and third shifts are more costly, yes. Many fewer people want to work them, so supply is much lower, so prices are higher. Also in evenings, road crews have extra safety precautions (there’s a higher chance of running one over in the dark) and that’s labor too.