The Central area network:
Freeway NO.1-Hsinchu~Dalin.(Hsinchu System InterchangeĦAToufen InterchangeĦAMiaoli InterchangeĦASanyi InterchangeĦAHouli InterchangeĦATaichung System InterchangeĦAFengyuan InterchangeĦADaya InterchangeĦATaichung InterchangeĦANantun InterchangeĦANantun InterchangeĦANantun InterchangeĦAChanghua System InterchangeĦAChanghua InterchangeĦAPuyan System InterchangeĦAYuanlin InterchangeĦABeidou InterchangeĦASiluo InterchangeĦADounan InterchangeĦAYunlin System InterchangeĦADalin Interchange)
Freeway NO.3-Baoshan~Meishan.(Baoshan InterchangeĦASinhua System InterchangeĦAJiadong InterchangeĦASiangshan InterchangeĦASibin InterchangeĦAJhunan InterchangeĦADashan InterchangeĦAHoulong InterchangeĦATongsiao InterchangeĦAYuanli InterchangeĦADajia InterchangeĦAJhongang System InterchangeĦAShalu InterchangeĦALongjing InterchangeĦAHemei InterchangeĦAChanghua System InterchangeĦAKuaiguan InterchangeĦAWurih InterchangeĦAJhongtou InterchangeĦAWufong InterchangeĦACaotun InterchangeĦAZhongxing System InterchangeĦANantou InterchangeĦAMingjian InterchangeĦAJhushan InterchangeĦADouliu InterchangeĦAGukeng System InterchangeĦAMeishan Interchange)
Freeway NO.4-Cingshuei Top~Fongyuan End.(Cingshuei TopĦAJhongang System InterchangeĦAShengang InterchangĦATaichung System InterchangeĦAHoufeng InterchangeĦAFengyuan End)
Freeway NO.6-Alian~Puli End.(Ailan InterchangeĦAPuli InterchangeĦAPuli End)