Route national 646

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Template: Infobox high-ranking street / Maintenance / FR-N
Route Nationale 646 in France
N 646
Basic data
Operator:
Overall length: 25 + 19 + 46 km (historical)

Regions :

Status: graduated
Course of the road
Template: AB / Maintenance / Empty historical street course until 1973
(with today's names)
Département Gers
Street as D 946
crossing D 943 (formerly N 643 )
Locality Armous-et-Cau
Locality Beaumarchés
Locality Plaisance
Locality Préchac-sur-l'Adour
Department Hautes-Pyrénées
crossing D 935 (formerly N 135 )
via N 135
Département Gers
Locality Riscle D 935 (formerly N 135 )
Locality Saint-Mont
Locality Projan
Landes department
Street as D 646
Locality Sarron D 834 (formerly N 134 )
via N 134
Department Pyrénées-Atlantiques
Street as D 946
crossing D 834 (formerly N 134 )
Locality Poursiugues-Boucou
Locality Arzacq-Arraziguet D 944 (formerly N 644 )
Locality Morlanne
crossing D 945 (formerly N 645 )
Locality Arthez-de-Bearn
crossing D 817 (formerly N 117 )

The Route nationale 646 , N 646 or RN 646 for short , was a French national road that ran in three parts from 1933 to 1973 between a road junction with the national road 643 west of Montesquiou and an intersection with the former national road 117 east of Orthez . Their total length was 90 kilometers.

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