# List of county and city highways in Taiwan

| Number | Northern/Western Terminus | Southern/Eastern Terminus | Length (km) | Length (mi) | Alternative Name |
| Cty 101 | Prov 2 in Sanzhi, New Taipei City | Prov 2B in Tamsui, New Taipei City | 17.637 | 10.959 | |
| Cty 101A | Cty 101 in Sanzhi, New Taipei City | Prov 2A in Beitou, Taipei | 10.750 | 6.680 | Balaka Highway |
| Cty 102 | Prov 2 in Zhongzheng District, Keelung | Prov 2C in Shuangxi and Gongliao, New Taipei City | 39.673 | 24.652 | |
| Cty 102A | Cty 102 in Shuangxi, New Taipei City | Prov 2 in Gongliao, New Taipei City | 9.140 | 5.679 | Shuangao Highway |
| Cty 103 | Prov 15 in Wugu, New Taipei City | Prov 1A in Sanchong, New Taipei City | 9.563 | 5.942 | |
| Cty 103A | Cty 103 in Luzhou, New Taipei City | Chongyang Bridge in Sanchong, New Taipei City | 3.923 | 2.438 | Chongyang Bridge Spur |
| Cty 104 | Nat 1 in Sanchong, New Taipei City | Prov 3 in Wanhua, Taipei | 4.465 | 2.774 | |
| Cty 105 | Prov 15 in Bali, New Taipei City | Prov 1 in Guishan, Taoyuan | 22.478 | 13.967 | |
| Cty 106 | Prov 15 / Prov 61 in Linkou, New Taipei City | Prov 2D in Ruifang, New Taipei City | 82.249 | 51.107 | |
| Cty 106A | Prov 1 / Cty 106 in Xinzhuang, New Taipei City | Cty 106 in Banqiao, New Taipei City | 6.805 | 4.228 | Feeder Road for New Taipei City Special Highway 1 |
| Cty 106B | Nat 3A in Wenshan, Taipei | Prov 9 in Pinglin, New Taipei City | 22.721 | 14.118 | Wenshan Road |
| Cty 107 | Cty 103 in Wugu, New Taipei City | Cty 114 in Shulin, New Taipei City | 16.486 | 10.244 | |
| Cty 107A | Cty 107 in Wugu, New Taipei City | Prov 1 in Xinzhuang, New Taipei City | 4.021 | 2.499 | Wugu Interchange Spur |
| Cty 108 | Prov 15 in Luzhu, Taoyuan | Zhongxing Bridge in Sanchong, New Taipei City | 35.076 | 21.795 | |
| Cty 109 | Prov 5 in Nangang, Taipei | Cty 106 in Shenkeng, New Taipei City | 2.690 | 1.671 | Nanshan Highway |
| Cty 110 | Prov 15 in Dayuan, Taoyuan | Prov 9 in Xindian, New Taipei City | 46.916 | 29.152 | |
| Cty 110A | Cty 110 in Dayuan, Taoyuan | Prov 1 in Pingzhen, Taoyuan | 12.615 | 7.839 | |
| Cty 110B | Cty 110 in Yingge, New Taipei City | Bade, Taoyuan | 1.461 | 0.908 | Danan Interchange Spur |
| Cty 111 | Prov 3 in Zhongzheng, Taipei | Cty 110 in Xindian, New Taipei City | 7.024 | 4.365 | |
| Cty 112 | Prov 15 in Guanyin, Taoyuan | Prov 3 in Daxi, Taoyuan | 29.456 | 18.303 | |
| Cty 112A | Cty 112 in Daxi, Taoyuan | Prov 3 in Daxi, Taoyuan | 2.141 | 1.330 | Daxi Interchange Spur |
| Cty 113 | Prov 15 in Dayuan, Taoyuan | Prov 3B in Longtan, Taoyuan | 31.215 | 19.396 | Zhongfeng Road (Zhongli to Longtan) |
| Cty 113A | Zhongli, Taoyuan | Longtan, Taoyuan | 10.059 | 6.250 | Jinling Road |
| Cty 113B | Prov 3 in Longtan, Taoyuan | Cty 113 in Longtan, Taoyuan | 1.703 | 1.058 | Longtan Interchange Spur |
| Cty 113C | Taoyuan HSR station | Prov 1 in Zhongli, Taoyuan | 6.003 | 3.730 | |
| Cty 114 | Prov 61 in Xinwu, Taoyuan | Guangfu Bridge in Banqiao, New Taipei City | 56.914 | 35.365 | |
| Cty 115 | Cty 112 in Guanyin, Taoyuan | Cty 120 / Prov 68 in Qionglin | 37.535 | 23.323 | |
| Cty 116 | Prov 1 / Prov 1A in Guishan, Taoyuan | Prov 3 in Banqiao, New Taipei City | 5.368 | 3.336 | |
| Cty 117 | Prov 15 in Xinfeng, Hsinchu | Prov 1 in Hsinchu | 42.363 | 26.323 | |
| Cty 118 | Cty 122 in Zhubei | Prov 7 in Fuxing, Taoyuan | 59.984 | 37.272 | Luoma Highway (From Fuxing to Guanxi) |
| Cty 119 | Prov 6 in Houlong | Cty 130 in Sanyi, Miaoli | 30.827 | 19.155 | |
| Cty 119A | Gongguan, Miaoli | Cty 119 in Tongluo | 9.279 | 5.766 | Foothill Road (沿山道) |
| Cty 120 | Prov 1 in Zhubei, Hsinchu | Jianshi, Hsinchu | 41.381 | 25.713 | |
| Cty 121 | Cty 128 in Tongxiao | Prov 1 in Dajia, Taichung | 22.741 | 14.131 | |
| Cty 122 | Nanliao Fishery Harbor in Hsinchu City | Wufeng, Hsinchu | 51.605 | 32.066 | Nanqing Highway |
| Cty 123 | Cty 120 in Qionglin | Cty 122 in Zhudong | 7.520 | 4.673 | |
| Cty 124 | Prov 61 in Zhunan, Miaoli | Prov 3 in Shitan, Miaoli | 51.174 | 31.798 | |
| Cty 124A | Prov 1 in Toufen, Miaoli | Cty 124 in Toufen, Miaoli | 1.626 | 1.010 | Toufen Interchange Spur |
| Cty 124B | Prov 3 in Sanwan, Miaoli | Cty 124 in Nanzhuang, Miaoli | 7.896 | 4.906 | |
| Cty 125 | Prov 1B in Daya, Taichung | Prov 1B in Wuri, Taichung | 14.532 | 9.030 | |
| Cty 126 | Houlong | Prov 3 in Shitan, Miaoli | 29.904 | 18.581 | |
| Cty 127 | Prov 1B in Daya, Taichung | Prov 3 in Wufeng, Taichung | 25.012 | 15.542 | |
| Cty 128 | Tongxiao railway station | Cty 119A in Gongguan, Miaoli | 21.050 | 13.080 | |
| Cty 129 | Prov 3 in Shigang, Taichung | Prov 3 in Dali, Taichung | 34.556 | 21.472 | |
| Cty 130 | Yuanli railway station | Prov 3 in Dahu, Miaoli | 31.126 | 19.341 | |
| Cty 131 | Prov 21 / Prov 14 in Puli, Nantou | Cty 151 in Lugu, Nantou | 49.501 | 30.758 | |
| Cty 132 | Da'an, Taichung | Houli railway station | 19.983 | 12.417 | |
| Cty 132A | Cty 132 in Houli, Taichung | Cty 132 in Houli, Taichung | 3.286 | 2.042 | |
| Cty 133 | Prov 21 in Guoxing | Prov 14 in Guoxing | 6.168 | 3.833 | |
| Cty 134 | Prov 17 / Cty 139 in Shengang, Changhua | Prov 19 in Changhua | 12.636 | 7.852 | |
| Cty 134A | Cty 134 / Cty 134B in Hemei | Prov 19 in Changhua | 4.404 | 2.737 | |
| Cty 134B | Nat 3 in Hemei | Cty 134 / Cty 134B in Hemei | 3.791 | 2.356 | |
| Cty 135 | Cty 138 in Hemei | Cty 148 in Xihu, Changhua | 21.823 | 13.560 | Formerly Cty 134A and Cty 134B; originally ran from Meichang to Xihu, this became Cty 138A and Cty 146 in 2017 |
| Cty 135A | Cty 135 in Puyan, Changhua | Prov 19 in Xihu, Changhua | 14.956 | 9.293 | |
| Cty 136 | Prov 17 in Wuqi, Taichung | Prov 14 in Guoxing | 50.02 | 31.08 | Zhongpu Highway |
| Cty 137 | Prov 1 in Changhua | Cty 152 in Ershui | 34.111 | 21.196 | |
| Cty 138 | Zhangbin Industrial Park in Xianxi, Changhua | Cty 134 in Changhua | 13.396 | 8.324 | |
| Cty 138A | Cty 138 in Xianxi, Changhua | Cty 134 in Hemei | 4.634 | 2.879 | Was a portion of Cty 135 before 2017 |
| Cty 139 | Prov 17 / Cty 134 in Shengang, Changhua | Cty 131 in Lugu, Nantou | 66.403 | 41.261 | |
| Cty 139A | Cty 139 in Hemei | Prov 19 in Changhua | 15.534 | 9.652 | |
| Cty 139B | Cty 139 in Nantou City, Nantou | Prov 3 in Mingjian | 16.505 | 10.256 | |
| Cty 140 | Prov 61 in Yuanli, Miaoli | Zhuolan | 34.748 | 21.591 | Southern Cross-Miaoli Highway (苗栗南橫公路) |
| Cty 141 | Prov 1 in Yuanlin | Prov 3 in Linnei | 24.563 | 15.263 | |
| Cty 142 | Cty 135 in Lukang | Prov 19 in Changhua | 9.948 | 6.181 | Zhanglu Road |
| Cty 143 | Prov 17 in Fangyuan | Dacheng, Changhua | 23.590 | 14.658 | |
| Cty 144 | Prov 61 in Fuxing, Changhua | Cty 137 / Prov 76 in Yuanlin, Changhua | 27.100 | 16.839 | Yuanlin Drainage Surface Road (員林大排平面道路), Service Road for Expressway 76 |
| Cty 144A | Cty 144 in Fuxing, Changhua | Cty 137 in Huatan | 11.964 | 7.434 | Fanhua Road |
| Cty 145 | Pitou, Changhua | Prov 19 in Beigang, Yunlin | 43.941 | 27.304 | |
| Cty 145A | Tuku, Yunlin | Cty 157 in Xingang, Chiayi | 12.955 | 8.050 | |
| Cty 145B | Yunlin HSR station | Prov 1D in Cihtong | ? | ? | |
| Cty 146 | Cty 135 / Prov 19 in Xihu, Changhua | Cty 137 in Dacun | 12.593 | 7.825 | |
| Cty 147 | Prov 14 in Guoxing, Nantou | Cty 131 in Shuili | 14.288 | 8.878 | |
| Cty 148 | Fangyuan, Changhua | Prov 3 in Caotun | 39.433 | 24.503 | |
| Cty 149 | Prov 3 in Zhushan, Nantou | Prov 3 in Meishan, Chiayi | 40.162 | 24.956 | |
| Cty 149A | Prov 3 in Douliu | Cty 169 in Meishan, Chiayi | 53.798 | 33.429 | |
| Cty 149B | Cty 149 in Zhushan, Nantou | Cty 149A in Gukeng | 8.869 | 5.511 | |
| Cty 150 | Fangyuan, Changhua | Prov 3 / Prov 14B in Nantou City, Nantou | 43.726 | 27.170 | |
| Cty 151 | Prov 3 in Zhushan, Nantou | Lugu, Nantou | 18.827 | 11.699 | |
| Cty 151A | Prov 3 in Lugu, Nantou | Cty 151 in Lugu, Nantou | 1.116 | 0.693 | |
| Cty 152 | Dacheng, Changhua | Prov 3C in Jiji, Nantou | 55.711 | 34.617 | |
| Cty 153 | Prov 17 in Mailiao | Cty 155 in Beigang, Yunlin | 17.267 | 10.729 | |
| Cty 153A | Mailiao, Yunlin | Cty 153 in Mailiao | 6.233 | 3.873 | |
| Cty 154 | 6th Oil Refinery in Mailiao | Linnei | 43 | 27 | |
| Cty 154A | Cty 154 in Xiluo | Prov 19 in Lunbei | 9.648 | 5.995 | |
| Cty 154B | Cty 154 in Cihtong, Yunlin | Prov 3 in Gukeng, Yunlin | 17.529 | 10.892 | |
| Cty 155 | Prov 61 in Taixi, Yunlin | Prov 19 in Beigang, Yunlin | 21.168 | 13.153 | |
| Cty 156 | Prov 17 in Mailiao, Yunlin | Cty 154 in Cihtong, Yunlin | 30.327 | 18.844 | |
| Cty 156A | Erlun, Yunlin | Erlun, Yunlin | 1.968 | 1.223 | |
| Cty 156B | Erlun, Yunlin | Tuku, Yunlin | 8.605 | 5.347 | |
| Cty 157 | Prov 1 in Dounan, Yunlin | Prov 17 in Budai, Chiayi | 44.664 | 27.753 | |
| Cty 158 | Prov 17 in Taixi, Yunlin | Prov 1 in Dounan, Yunlin | 32.956 | 20.478 | |
| Cty 158A | Prov 17 in Taixi, Yunlin | Cty 149 in Zhushan, Nantou | 52.964 | 32.910 | |
| Cty 158B | Cty 158 in Dounan, Yunlin | Prov 3 in Gukeng, Nantou | 11.508 | 7.151 | |
| Cty 159 | Prov 19 / Cty 164 in Lioujiao, Chiayi | Cty 159A in Fanlu | 36.641 | 22.768 | |
| Cty 159A | Cty 159 in Chiayi | Prov 18 / Cty 169 in Zhuqi | 45.554 | 28.306 | |
| Cty 160 | Sihu, Yunlin | Cty 145 in Tuku, Yunlin | 22.693 | 14.101 | |
| Cty 161 | Cty 161 in Puzi | Prov 17 in Budai, Chiayi | 16.777 | 10.425 | |
| Cty 162 | Cty 157 in Xikou, Chiayi | Prov 3 in Meishan, Chiayi | 16.161 | 10.042 | |
| Cty 162A | Prov 3 in Meishan, Chiayi | Cty 169 in Meishan, Chiayi | 46.617 | 28.966 | |
| Cty 162B | Dalin, Chiayi | Minxiong, Chiayi | 8.968 | 5.572 | |
| Cty 163 | Cty 159 in Chiayi City | Budai, Chiayi | 45.992 | 28.578 | |
| Cty 164 | Prov 17 / Prov 61 in Kouhu | Prov 1 in Minxiong | 30.966 | 19.241 | |
| Cty 165 | Prov 18 in Zhongpu | Prov 1 in Guantian, Tainan | 37.107 | 23.057 | Originally ran to Chiayi; Chiayi-Houzhuang became Prov 18 and Cty 135 in 1976 |
| Cty 166 | Dongshi, Chiayi | Cty 162A in Meishan, Chiayi | 81.311 | 50.524 | |
| Cty 167 | Cty 168 in Puzi, Chiayi | Cty 168 in Taibao | 14.892 | 9.253 | |
| Cty 168 | Dongshi, Chiayi | Cty 165 in Shuishang | 32.713 | 20.327 | |
| Cty 169 | Meishan, Chiayi | Alishan, Chiayi | 50.246 | 31.221 | |
| Cty 170 | Dongshi, Chiayi | Cty 163 in Lucao, Chiayi | 16.954 | 10.535 | |
| Cty 171 | Beimen, Tainan | Cty 165 in Guantian, Tainan | 38.269 | 23.779 | |
| Cty 171A | Prov 19A in Madou, Tainan | Cty 171 / Cty 171B in Guantian, Tainan | 3.598 | 2.236 | Feeder road for Prov 84 |
| Cty 171B | Cty 171 / Cty 171A in Guantian, Tainan | Prov 84 / Prov 1 in Guantian, Tainan | 5.312 | 3.301 | Feeder road for Prov 84 |
| Cty 172 | Prov 61 in Budai, Chiayi | Prov 3 in Zhongpu | 55.986 | 34.788 | |
| Cty 172A | Prov 1 in Houbi, Tainan | Cty 165 in Baihe, Tainan | 5.238 | 3.255 | |
| Cty 172B | Cty 172 in Baihe, Tainan | Cty 175 in Baihe, Tainan | 7.601 | 4.723 | |
| Cty 173 | Cty 171 / Cty 176 in Madou, Tainan | Prov 61 / Cty 173A in Cigu, Tainan | 22.881 | 14.218 | Feeder road for Prov 61 |
| Cty 173A | Cty 174 in Beimen, Tainan | Cty 173 in Cigu, Tainan | 16.579 | 10.302 | |
| Cty 174 | Beimen, Tainan | Cty 175 in Dongshan, Tainan | 46.312 | 28.777 | |
| Cty 175 | Cty 172 in Baihe, Tainan | Prov 3 in Nansi, Tainan | 31.130 | 19.343 | |
| Cty 176 | Prov 61 / Cty 173 in Cigu, Tainan | Prov 1 in Guantian, Tainan | 28.735 | 17.855 | |
| Cty 177 | Prov 1 in Yongkang, Tainan | Prov 1 in Rende, Tainan | 15.559 | 9.668 | |
| Cty 177A | Cty 177 in Yongkang, Tainan | Cty 182 in Gueiren, Tainan | 7.804 | 4.849 | |
| Cty 178 | Prov 17A in Annan District, Tainan | Danei District, Tainan | 29.686 | 18.446 | |
| Cty 178A | Cty 178 in Shanshang, Tainan | Prov 20 in Shanshang, Tainan | 6.082 | 3.779 | |
| Cty 179 | | | | | Became a portion of Prov 29 in 1993 |
| Cty 180 | Prov 20 in North District, Tainan | Prov 39 in Yongkang District, Tainan | 7.683 | 4.774 | |
| Cty 180A | Cty 180 in Yongkang, Tainan | Old Prov 20 in Xinhua, Tainan | 7.376 | 4.583 | |
| Cty 181 | Prov 29 in Shanlin, Kaohsiung | Prov 27 in Gaoshu, Pingtung | 19.752 | 12.273 | |
| Cty 182 | Prov 17 in West Central District, Tainan | Prov 3 in Neimen, Kaohsiung | 34.864 | 21.663 | |
| Cty 183 | Nat 1 in Renwu, Kaohsiung | Prov 17 in Fengshan, Kaohsiung | 17.225 | 10.703 | |
| Cty 183A | Cty 183 in Fengshan, Kaohsiung | Fengshan, Kaohsiung | 4.671 | 2.902 | |
| Cty 183B | Cty 183 in Niaosong, Kaohsiung | Fengshan, Kaohsiung | 4.891 | 3.039 | |
| Cty 184 | Hunei Bridge | Liugui | | | Became a portion of Prov 28 in 2004 |
| Cty 185 | Prov 27 in Gaoshu, Pingtung | Prov 1 in Fangliao | 68.885 | 42.803 | Foothill Highway (沿山公路) |
| Cty 185A | Prov 27 in Xinyuan, Pingtung | Cty 185 in Laiyi, Pingtung | 19.472 | 12.099 | |
| Cty 186 | Prov 17 in Yong’an, Kaohsiung | Prov 29 in Dashu, Kaohsiung | 34.351 | 21.345 | |
| Cty 186A | Cty 186 in Dashe, Kaohsiung | Prov 29 in Dashu, Kaohsiung | 12.634 | 7.850 | |
| Cty 187 | Prov 24 in Neipu | Prov 17 in Donggang, Pingtung | 38.892 | 24.166 | |
| Cty 187A | Cty 187 in Neipu, Pingtung | Cty 189A in Wandan, Pingtung | 19.335 | 12.014 | |
| Cty 187B | Cty 187 in Wanluan | Cty 187 in Donggang | 21.570 | 13.403 | |
| Cty 187C | Prov 3 in Jiuru | Cty 187 in Neipu, Pingtung | 19.827 | 12.320 | Feeder road for Freeway 3 |
| Cty 188 | Cty 183 in Fengshan, Kaohsiung | Cty 189 in Zhutian | 20.838 | 12.948 | Feeder road for Prov 88 |
| Cty 189 | Prov 3 in Pingtung City | Prov 17 in Linbian | 39.936 | 24.815 | |
| Cty 189A | Cty 189 in Pingtung City | Cty 188 in Wandan, Pingtung | 4.800 | 2.983 | |
| Cty 190 | Yilan City | Prov 7 in Zhuangwei | 5.326 | 3.309 | Xianmin Avenue |
| Cty 191 | Prov 2G in Toucheng, Yilan | Prov 7 in Yilan City | 11.687 | 7.262 | Feeder road for Freeway 5 |
| Cty 191A | Zhuangwei | Luodong | 13.012 | 8.085 | |
| Cty 191B | Zhuangwei | Yilan City | 3.942 | 2.449 | |
| Cty 192 | Jiaoxi, Yilan | Prov 2 in Zhuangwei | 9.916 | 6.162 | Was Cty 138 before 2017 |
| Cty 192A | Longtan, Yilan City | Meiyi, Yilan City | 22.231 | 13.814 | |
| Cty 193 | Prov 9 in Xincheng, Hualien | Prov 9 in Yuli, Hualien | 110.920 | 68.922 | Formerly Cty 195, Cty 195A and the original Cty 193; longest county road in Taiwan |
| Cty 194 | Chihpen Forest Recreation Area in Beinan, Taitung | Prov 9 in Taitung City, Taitung | 6.200 | 3.853 | |
| Cty 195 | Hualien Bridge | Ruisui | | | Became a portion of Cty 193 |
| Cty 195A | Ruisui | Lehe | | | Became a portion of Cty 193 |
| Cty 196 | Prov 7C in Sanxing, Yilan | Wujie, Yilan | 22.231 | 13.814 | |
| Cty 196A | Luodong | Wujie, Yilan | 6.238 | 3.876 | |
| Cty 197 | Prov 9 in Chishang, Taitung | Prov 11B in Taitung City, Taitung | 59.670 | 37.077 | |
| Cty 198 | Shuidillao, Fangliao | Dawu, Taitung | | | Abolished on 1 May 2014 |
| Cty 199 | Prov 9 in Shizi, Pingtung | Prov 26 in Checheng | 37.601 | 23.364 | |
| Cty 199A | Cty 199 in Mudan, Pingtung | Prov 26 in Mudan, Pingtung | 8.583 | 5.333 | |
| Cty 200 | Prov 26 in Hengchun | Prov 26 in Manzhou, Pingtung | 32.824 | 20.396 | |
| Cty 200A | Cty 200 in Manzhou, Pingtung | Prov 26 in Manzhou, Pingtung | 3.831 | 2.380 | |
| Cty 201 | Cty 204 in Magong, Penghu | Makung, Penghu | 10.579 | 6.573 | |
| Cty 202 | Cty 203 in Makung, Penghu | Huxi, Penghu | 12.556 | 7.802 | |
| Cty 203 | Makung, Penghu | Xiyu, Penghu | 36.200 | 22.494 | |
| Cty 204 | Cty 203 in Makung, Penghu | Cty 202 in Huxi, Penghu | 10.876 | 6.758 | |
| Cty 205 | Makung, Penghu | Cty 204 in Makung, Penghu | 7.606 | 4.726 | |