Besides the numeric name, from 1st November 2004 it is also called Formosa Freeway (福爾摩沙高速公路) after a name-giving competition; however, its old alias Second Freeway (第二高速公路 or 二高) is more popular among the road users.
Besides the numeric name, from 1st November 2004 it is also called Formosa Freeway (福爾摩沙高速公路) after a name-giving competition. Although, its old alias Second Freeway (第二高速公路 or 二高) is more popular among the road users.