National Freeway 3A

National freeway 3a shield}}
National freeway 3a
Taipei Connecting Line
Map
Route information
Maintained by Taiwan Area National Freeway Bureau
Length5.6 km (3.5 mi)
Location
CountryTaiwan
Highway system
Nat 3 Nat 4
National Highway 3A

National freeway 3A (native:國道三號甲線;三甲) is a spur of national freeway 3 for connection of downtown Taipei City. It begins south of downtown Taipei City at the intersection of Xinhai Road and Fanglan Road, near National Taiwan University, and ends in Shenkeng, New Taipei City on municipal highway 106B. It's tolled as it is the spur of National freeway 3.

It has an at-grade intersection with traffic signals installed around Muzha Interchange for National Freeway No.3 mainline, located at 25°00′07″N 121°35′43″E / 25.00188°N 121.59523°E / 25.00188; 121.59523.