List of highways numbered 603

The following highways are numbered 603:

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

Canada

  • Alberta Highway 603
  • Ontario Highway 603
  • Saskatchewan Highway 603

Costa Rica

  • National Route 603

United States

  • SR 603
  • PR-603
  • FM 603
  • SR 603
  • SR 603 (former)
Preceded by
602 		Lists of highways
603 		Succeeded by
604
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  • e
0–2425–4950–7475–99100–124125–149150–174175–199200–224225–249250–274275–299300–324325–349350–374375–399400–424425–449450–474475–499500–524525–549550–574575–599600–624625–649650–674675–699700–724725–749750–774775–799800–824825–849850–874875–899900–924925–949950–974975–9991000+ 


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