Freeway motorcycling restrictions in East Asia
Freeways in some East Asian countries and areas, namely Mainland China, South Korea and Taiwan have restrictions on motorcycles that are not widely implemented elsewhere around the world, such as access restrictions, limits on carrying passengers, and different speed limits. == Access and passenger restrictions == Countries and areas in and around East Asia impose access restrictions on motorcycles' use of freeways that are not widely applied elsewhere, from prohibiting motorcycles with passengers to prohibiting motorcycles altogether.
Source: Wikipedia — Freeway motorcycling restrictions in East Asia (CC BY-SA 4.0)