The Headrow forms a spine across the city centre between Westgate and Eastgate and is approximately ½ mile (700 m) long. It was widened between 1928 and 1932 in a redevelopment designed by architect Reginald Blomfield primarily as a way of improving traffic flow through city centre. The area has an advisory speed limit of . The section between Park Row and Briggate is reserved for buses and taxis and cars/motorcycles are not permitted to use it between 5am and 10pm.