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2 Class A Roads
2.1 North-South Reference
3 Class B Roads2.2 West-East Reference 2.3 North-South Intermediate 2.4 West-East Intermediate 4 References |
Numbering System
The route numbering system, defined by UNECE, (since 19??) is as follows.
Class A Roads
North-South Reference
West-East Reference
North-South Intermediate
West-East Intermediate
Class B Roads
See also Asian highway, Road transport.
References