Norwegian National Road 41 (Rv 41; also known as the Telemarksveien) is a Norwegian national road that runs through Vestfold og Telemark and Agder counties in Norway. The road runs between the village of Brunkeberg in Kviteseid municipality in Vestfold og Telemark county in the north and in Hånes in the city of Kristiansand in Agder county in the south. The 172.9-kilometre (107.4 mi) long road connects to the European route E134 highway in the north and to the European route E18 highway in the south. The road runs for 101.5 kilometres (63.1 mi) in Agder county and 71.4 kilometres (44.4 mi) in Vestfold og Telemark county. The southern half of the road runs along the river Tovdalselva and the lake Herefossfjorden, and it is located in a fault zone called the Kristiansand-Porsgrunn grabenen.