Route nationale 618
Route nationale 618 or RN 618 was a French national road linking Saint-Jean-de-Luz (on the Atlantic Ocean) to Argelès-sur-Mer (on the Mediterranean). En route it crossed many of the famous passes in the Pyrenees, immortalized by the Tour de France; hence its name was the "Route of the Pyrénées". In 1970, the road was down-graded and is now the RD 918 from Saint-Jean-de-Luz to Arreau and the RD 618 from Arreau to Argelès Plage.
The places named in italic are mountain passes used in the Tour de France.
Common with the former RN 133
Common with RN 134
Common with the former RN 134BIS
Common with the former RN 21
Common with the former RN 125
Route interrupted by the Spanish border
Common with RN 20
Common with RN 116
Common with the former RN 115
...
Wikipedia