Route nationale 12
Template: Infobox trunk road / Maintenance / FR -N
Regions:
- Ile- de -France
- Centre
- Haute -Normandie
- Pays de la Loire
- Brittany
The N12 is a French national road, which was established in 1824 between Trappes and Brest. It goes back to the route impériale 13. Her length was 574 km. In 1856 it was extended over a bridge over the Penfeld to Brest - Recouvrance. In 1949 a change of shape between Mayenne and Rennes. To this end, they took over parts of the N155 and N177. In turn, took over the N157 and N162 the vacant portions of the N12. She was laid on her complete path largely on bypass roads, and expanded to highways. In 2004 she was graduated from Fougères and Rennes, since parallel the A84 went into operation.
N12a
Template: Infobox trunk road / Maintenance / FR -N
Regions:
Brittany
The N12a was from 1962 to 1973, a five-kilometer side branch of the N12, which ran between Bédée and Montfort- sur -Meu. It was created as compensation for partial grading of N164bis.
N412
From 1978 to 1986, the N412 was a side branch of the N12, which was lying on the ancient route of the N12 by Saint- Brieuc.
N1012
The N1012 is a side branch of the N12, which was created in 2011 from its old route, as this was moved to a bypass which bypasses the node at junction 11 of the ring road around Rennes.
N2012
With the N2012 it was old routes of the N12 through villages, who received a bypass. 2006, these old routes were downgraded.
- See also: List of state highways in France