List of highways numbered 21

For roads named A21 see ; List of A21 roads
Route 21, or Highway 21, can refer to:

This list is incomplete; you can help by adding missing items. (August 2008)

International

  • E21 European route E21

Australia

  • Chandler Highway
  • Toowoomba Connection Road (QLD)
  • – Kakadu Highway

Austria

Cambodia

  • National Road 21 (Cambodia)

Canada

Costa Rica

  • National Route 21

Czech Republic

  • I/21 Highway; Czech: Silnice I/21

Hungary

  • Main road 21 (Hungary)

India

  • National Highway 21 (India)

Iran

  • Road 21

Ireland

  • N21 road (Ireland)

Italy

  • Autostrada A21

Japan

  • Japan National Route 21

Korea, South

  • National Route 21

Moldova

  • M21 highway (Moldova)

New Zealand

Paraguay

  • National Route 21

Turkey

United Kingdom

  • British A21 (Hastings-London)
  • A21 road (Northern Ireland)

United States

Territories

See also

Preceded by
20 		Lists of highways
21 		Succeeded by
22
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0–24
25–4950–7475–99100–124125–149150–174175–199200–224225–249250–274275–299300–324325–349350–374375–399400–424425–449450–474475–499500–524525–549550–574575–599600–624625–649650–674675–699700–724725–749750–774775–799800–824825–849850–874875–899900–924925–949950–974975–9991000+ 


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