31. This was consistent with the strategic vision of the line forming a trunk route across the country. 32. Highway 72 was built as a trunk route by 1920, and became a provincial highway in 1937. 33. The four trunk routes all begin from the Titiwangsa hub where passengers can change to City Shuttles. 34. They were fitted with Leyland engines and a higher-ratio rear axle for operation on longer trunk routes . 35. The line was now simply a branch line feeding the trunk routes of the North British Railway. 36. One of the roads later formed part of the trunk route between Cooch Behar, Rangpur and Bogra. 37. BEA operated their large fleet of Vikings on many European and UK trunk routes for eight years. 38. Various subsidiary airlines operate to regional centres and on some trunk routes within Australia under the QantasLink banner. 39. The Chinese carrier operates mainly domestic trunk routes from Jinan, Qingdao and Yantai to major cities in China. 40. It is the bus hub for city shuttle bus ( BANDAR ) and trunk routes ( UTAMA ).