National Freeway 4

National freeway 4 is a freeway that begins in Qingshui District, Taichung at Provincial Highway 17 and ends in Tanzi District at Provincial Highway 74.

Length

The total length is 28.0 km.

Major cities along the route

Taichung City

Lanes

The lanes in each direction are listed below.

3 lanes:
*Qingshui Top - Fengshi IC
2 lanes:
*Fengshi IC-Tanzi System