Brazil | Area code 55 | Common abbreviation BR | Last updated 20-1-2007 | |||
| Road class | Syntax explanation | Administrative subordination | Sub classes | Zones | System | Remarks |
| Federal highway (rodovia federal) | BR[0-9]<3> | national | 010-399 | Spider-web with double grid | Exit numbers by km | |
| 400-499 | ||||||
| State highway (rodovia estadual) | [A-Z]<2>[0-9]<3> | state | see region table | |||
| General description: | ||||||
| Federal highways: The first digit determines the type of road: | ||||||
| Syntax | Type | in Portuguese | Location | Description | Kilometerage | |
| 0[1-8]0 | radial highways | rodovias radiais | radiate in clockwise order from Bras�lia, 010 northbound | from Bras�lia | ||
| 1[0-4][0-9] | north - south routes | rodovias longitudinais | East of Bras�lia | numbers increase in westbound direction | runs north-south | |
| 1[5-9][0-9] | West of Bras�lia | |||||
| 2[0-4][0-9] | east-west routes | rodovias transversais | North of Bras�lia | numbers increase in southbound direction | runs east-west | |
| 2[5-9][0-9] | South of Bras�lia | |||||
| 3[0-4][24680] | diagonal routes | rodovias diagonais | Northeast of Bras�lia | northwest - southeast increasing to southwest | begins at northernmost point | |
| 3[5-9][24680] | Southwest of Bras�lia | |||||
| 3[0-4][13579] | Northwest of Bras�lia | northeast - southwest increasing to southeast | ||||
| 3[5-9][13579] | Southeast of Bras�lia | |||||
| 4[0-4][0-9] | connections | liga��es | North of Bras�lia | short sections | begins in the north or at most important road | |
| 4[5-9][0-9] | South of Bras�lia | |||||
| State highways: Numbering system per state. The two-letter state code is used. Numbers may begin with trailing zeroes.
In many states, the state highway numbering system is a copy of the federal numbering system, with the state capital as the center. In the region table, this is indicated by 'N'. In some cases, there are minor deviations. | ||||||
| Other local road numbers exist only in Rio de Janeiro. | ||||||
| Road signs: Green with white text, road number shields are white with black text. | ||||||
| History:
The current system was developed by the new military regime in the 1960's, as part of a large modernization programme. The old system
only had 1- and 2-digit national road numbers.
In S�o Paulo all BR roads except 116, 153 and 381 were transferred to the state in the 1980's. In 1989 the northern part of Goi�s was split off to become the new state Tocantins. A new road numbering system was introduced in the 1990's. | ||||||
Sources and links: Various maps and atlases
Official sites: | ||||||
| State | Code | System/remarks |
| Acre | AC | 0[0-9]<2>: radial roads from Rio Branco, increasing in clockwise direction 4[0-9]<2>: other roads |
| Alagoas | AL | 1[0-9]<2> north-south, 2[0-9]<2> east-west |
| Amazonas | AM | N but 010 runs from Manaus to the east |
| Amap� | AP | unknown |
| Bahia | BA | [0-7][0-9]<2> |
| Cear� | CE | [0-3][0-9]<2> |
| Distrito Federal | DF | [01][0-9]<2>, most numbers begin with 0 |
| Esp�rito Santo | ES | N but the 300 series is different: odd numbers run northwest-southeast and even numbers run northeast-southwest |
| Goi�s | GO | N but 010 runs from Goi�nia to the east |
| Maranh�o | MA | 0[0-9]<2> north-south routes increasing to east, 1[0-9]<2> east-west routes increasing to south, [2-4][0-9]<2> other roads, each sub series (200's, 300's and 400's) separately increasing to south |
| Minas Gerais | MG | N |
| Mato Grosso do Sul | MS | N |
| Mato Grosso | MT | N |
| Par� | PA | 1[0-9]<2> north-south routes increasing to west, 2[0-9]<2> east-west routes increasing to south, [34][0-9]<2> other roads |
| Para�ba | PB | [0-4][0-9]<2> |
| Pernambuco | PE | [0-4][0-9]<2> increasing to the west |
| Piau� | PI | 1[0-9]<2> north-south routes increasing to west, 2[0-9]<2> east-west routes increasing to south |
| Paran� | PR | 1[0-9]<2> north-south routes increasing to west, 2[0-9]<2> east-west routes increasing to south, [3-5][0-9]<2> other roads |
| Rio de Janeiro | RJ | [0-2][0-9]<2>, numbers increase further away from Rio de Janeiro Local road numbers in city of Rio de Janeiro: [12][0-9]<2>, 1xy radial, 2xy transversal |
| Rio Grande do Norte | RN | [014][0-9]<2> |
| Rond�nia | RO | [0-4][0-9]<2>, most numbers begin with 3 or 4 |
| Roraima | RR | 1[0-9]<2> north-south routes increasing to west, 2[0-9]<2> east-west routes increasing to south, [34][0-9]<2> other roads |
| Rio Grande do Sul | RS | N but minor roads have numbers [4-6][0-9]<2> |
| Santa Catarina | SC | [34][0-9]<2> |
| Sergipe | SE | 1[0-9]<2> northeast-southwest routes (parallel to coast), 2[0-9]<2> northwest-southeast routes |
| S�o Paulo | SP | Spider-web: numbers increase in clockwise direction. Numbers of radial roads from S�o Paulo approximately have the number of the compass direction measured in degrees from the north. |
| Tocantins | TO | N |