Route main road 157

The trunk road 157 , or RN 157 , is a trunk road French connecting Orleans to Rennes.

Formerly, it connected Blois to Rennes. The section Orleans - Ormes belonged to RN 155. The section Elms - Épuisay was called then RN 826. The section Blois - Épuisay is RD today 957 (since the downgradings of 1972).

Until 1952, the section Laval - Rennes belonged to RN 12.

See the layout of the RN157 on GoogleMaps

From Orleans to Rennes

From Orleans to Mans

The common crossings are:

Of Mans in Rennes

The road is duplicated by the A81 to the Gravel then it will be put in standard highway to Rennes.

The common crossings are:

The section the Gravel/Rennes is completely in 2×2 ways

Old layout of Blois with Épuisay (until 1972) (D 957)

Downgradings in 2006

  • Loiret : RNIL 157
  • Loir-et-Cher: D 357
  • the Sarthe: D 357
  • Mayenne: D 57 of the departmental limit of the Sarthe to the Gravel

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