Route national 163bis

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Template: Infobox high-ranking street / Maintenance / FR-N
Route Nationale 163bis in France
N 163bis
Basic data
Operator:
Overall length: 96 km (historical)

Regions :

Status: graduated
Course of the road
Template: AB / Maintenance / Empty historical street course until 1973
(with today's names)
Department of Ille-et-Vilaine
Street as D 463
Locality Rennes N 12 / D 812 (formerly N 12 ) / N 24
D 437 & D 837 (formerly N 137 ) / N 157
D 163 (formerly N 163 ) / D 125 (formerly N 164bis )
D 177 (formerly N 163 ) . N 177 ) / D 175 (formerly N 776 )
Locality Chantepie
Locality Chateaugiron
crossing D 777 (formerly N 777 )
Locality Moulins
Locality Visseiche
Locality La Guerche-de-Bretagne
D 178 (formerly N 178 ) / D 805 (formerly N 805 )
Mayenne department
Street as D 25
Locality La Roë
Locality Ballots
Locality Craon D 22 (formerly N 159bis )
D 771 (formerly N 178bis )
Locality Saint-Quentin-les-Anges
Maine-et-Loire department
Street as D 863
Locality L'Hôtellerie-de-Flée
crossing D 923 (formerly N 23bis )
via N 23bis
Locality Segré D 923 (formerly N 23bis )
D 961 (formerly N 161bis ) / D 775 (formerly N 775 )
Street as D 775
Locality La Chapelle-sur-Oudon
Locality Andigné
Locality Le Lion-d'Angers N 162 / D 775 (formerly N 162 )
D 770 (formerly N 770 )

The Route nationale 163 Bis , or N 163 Bis or RN 163 Bis for short , was a French national road .

The road was laid between Rennes and Le Lion-d'Angers in 1862 . Like national road 163, it began in Rennes and ended about 15 kilometers as the crow flies from the end of the N 163. It goes back to the route stratégique  22 (La Guerche-de-Bretagne-Craon) and part of the route stratégique 15 (Craon-Segré) and is therefore an independent national road and not a branch, like all national roads that go back to the route stratégique . Their total length was 96 kilometers. In 1973 it was downgraded. In the 1980s, the departments of Ille-et-Vilaine and Maine-et-Loire decided to build an expressway between Rennes and Angers. For this purpose, the part of the stepped N 163bis between Segré and Le Lion-d'Angers was used and expanded. In order to create a uniform numbering, the department road was rededicated from D 683 to D 775.

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