Norwegian County Road 51

County Road 51 (Fylkesvei 51) is a 168.2 km highway which runs north–south between Vågå and Gol, Norway. Part of the road runs concurrently with E16, between Leira and Fagernes. The 37 km section across Valdresflye is designated a National Tourist Route. This section is closed in the winter. Prior to 2010, the road was known as National Road 51 (Riksvei 51).