normally have a lower speed limit than expressways (but still higher than the rest of the local road network), and permit at-grade intersections and junctions to residential roads and shopfronts, although grade separation is still typical. Highways are normally toll-free and are owned and operated by the federal government. Notable examples of limited-access roads are the Federal Highway, Skudai Highway, Gelugor Highway, Kuantan Bypass and Kuching Bypass. Singapore Limited-access roads in Singapore are formally known as (in contrast to controlled-access highways which are known as expressways). While still functioning as high-speed roads, semi-expressways may still have at-grade intersections with traffic lights, and speed limits are not uniform. Grade separation is, however, still typical at major junctions. Five roads have been designated as semi-expressways: Bukit Timah Road, Jurong Island Highway, Nicoll Highway, Outer Ring Road System and West Coast Highway. South Korea Motorways in South Korea (자동차전용도로 Jadongcha jeonyong doro, literally 'motor-car-only road') includes various grades of highways other than expressways. Contrary to the expressway in South Korea, motorway is a measure of traffic control, rather than a class of the road. For example, Jayu-ro is a segment of the national route 77 as well as a motorway. As of June 2011, 1,610 km of highways in total were designated as motorways. (1,052 km national highways, 351 km metropolitan highways, 185 km regional highways and 20 km municipal highways) Like expressways, motorcycles are not permitted. Sri Lanka Sri Lanka has ensured to classify the expressways in reference to the connotation of E grades. , three expressways namely the Southern Expressway, Outer Circular Expressway and the Colombo – Katunayake Expressway have been created. A tax levying structure is proposed for travelling via the expressways. Speed limits in the range of 80–100 km/h is attested for travelling through the expressways. Up to now two expressways namely the Northern Expressway and the Ruwanpura Expressway are in process to satisfy the needs of public transport. Taiwan (R.O.C.) Expressways in Taiwan may be controlled-access highways similar to National Freeways or limited-access roads. Most have Provincial (as opposed to National) Highway status, although some are built and maintained by cities. All provincial expressways run east–west except for Provincial Highway No. 61, which runs north–south along the west coast. Some provincial expressway routes are still under construction. Europe Austria: Schnellstraße In Austria the speed limit on a Schnellstraße is . Schnellstraßen are very similar to Austrian Autobahnen (freeways/motorways);