Sri Lanka | Area code 94 | Common abbreviation CL | Last updated 6-12-2008 | |||
| Road class | Syntax explanation | Administrative subordination | Sub classes | Zones | System | Remarks |
| Asian highway | A[0-9]<2> | Asia | See Asia | |||
| National road | A[0-9]<1-2>{sp} | national | spider-web | Highest 36 | ||
| Regional road | B[0-9]<1-3> | national | sequential | |||
| General description: The A1, A2 and A3 are main roads from the capital Colombo. | ||||||
| Road signs: No information available | ||||||
| History: No information available | ||||||
Sources: various maps
Official links: | ||||||