Wisconsin Kong-lō͘ 21
Chiu Chú-kàn Kong-lō͘ 21 (Eng-bûn: State Trunk Highway 21; WIS 21; STH 21), mā tiāⁿ-tiāⁿ hō-chòe Kong-lō͘ 21 (Highway 21), sī chi̍t tiâu tī Bí-kok Wisconsin Chiu ê chiu-kip kong-lō͘.
 Chiu Chú-kàn Kong-lō͘ 21 State Trunk Highway 21 | |
|---|---|
| Lō͘-sòaⁿ ê ki-pún chu-sìn | |
| Uî-hō͘ pō͘-bûn | Wisconsin Kau-thong Kio̍k |
| Chú-iàu ê kau-hōe kong-lō͘ | |
 | Pún bûn-chiuⁿ sī chi̍t phiⁿ phí-á-kiáⁿ. Lí thang tàu khok-chhiong lâi pang-chō͘ Wikipedia. |