 | |
|---|---|
| Route nationale 138 | |
 | |
| Route information | |
| Length | 282 km (175 mi) |
| Existed | 1972–2006 |
| Major junctions | |
| Northeast end |  D 6014  D 6015 at Rouen |
| Southwest end |  D 910  D 952 at Tours |
| Location | |
| Country | France |
| Regions | Centre-Val de Loire, Normandy, Pays de la Loire |
| Departments | Eure, Indre-et-Loire, Orne, Sarthe, Seine-Maritime |
| Major cities | Rouen, Alençon, Le Mans, Tours |
| Highway system | |
| |
Route nationale 138 or RN 138 was a French Route nationale (trunk road) linking Rouen to Tours in the north-west of France. Part of the road (now RD 338) is temporarily a portion of the Circuit de la Sarthe, known as the Mulsanne Straight.