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John Cletheroe's
USA and Canada Holiday Hints |
This page attempts to summarise the combinations of road type names found in the USA, which can initially be rather confusing for a visitor from another country.
| Interstate Highway | Divided highway with controlled access (a freeway, an expressway, or in UK English a motorway) | Very common. |
| Interstate Highway | Divided highway but not controlled access (in UK English this would be called a dual carriageway) | I do not know of any examples. |
| Interstate Highway | Non-divided highway, paved | I do not know of any examples. |
| Interstate Highway | Non-divided highway, unpaved | I can't see this combination ever existing, except in construction zones (road works). |
| US Highway | Divided highway with controlled access (a freeway, an expressway, or in UK English a motorway) | Common, especially major US highways both in towns and outside. |
| US Highway | Divided highway but not controlled access (UK English: dual carriageway) | Very common, especially in towns. |
| US Highway | Non-divided highway, paved | Very common. |
| US Highway | Non-divided highway, unpaved | Very rare. I cannot think of any examples, except in construction zones (road works). |
| State Highway | Divided highway with controlled access (a freeway, an expressway, or in UK English a motorway) | Rare, except for some freeways in large cities, for example in the Los Angeles area. |
| State Highway | Divided highway but not controlled access (UK English: dual carriageway) | Fairly rare. |
| State Highway | Non-divided highway, paved | Very common. |
| State Highway | Non-divided highway, unpaved | Rare, except in construction zones (road works), but there probably are some examples. |
| County Road | Divided highway with controlled access (a freeway, an expressway, or in UK English a motorway) | I do not know of any examples. |
| County Road | Divided highway but not controlled access (UK English: dual carriageway) | I do not know of any examples. |
| County Road | Non-divided highway, paved | Common. |
| County Road | Non-divided highway, unpaved | Common. |
| Divided Highway | Controlled Access | Very common (a freeway, an expressway, or in UK English a motorway). |
| Divided Highway | Not Controlled Access | Very common (UK English: dual carriageway). |
| Not Divided Highway | Controlled Access | A very unusual combination. I can only think of two examples, the Blue Ridge Parkway and the Natchez Trace Parkway, although there may be some others. |
| Non-Divided Highway | Not Controlled Access | Very common (a two-lane road, a conventional road, a normal road). |
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Most recently modified 23-Jan-04