 The drivers’ compartment took the first 2’10½” and about half the width of the carriage, with the guard’s elevated seat directly opposite.The van measured 5’3¾” in the vast majority of D cars, exceptions being 14-16 (6’3¼”), 20-21 and 23 (5’6 15/16”) and 31-32 (5’9½”).Passenger compartments varied in length and number.