Route nationale
A ''route nationale'', or simply ''nationale'', is a class of trunk road in France. They are important roads of national significance which cross broad portions of the French territory, in contrast to departmental or communal roads which serve mo ...
(
trunk road
A trunk road is a major highway with a specific legal classification in some jurisdictions, notably the United Kingdom, Sweden and formerly Ireland. Trunk roads are planned and managed at the national-level, distinguishing them from non-trunk ro ...
) linking
Rouen
Rouen (, ; or ) is a city on the River Seine, in northwestern France. It is in the prefecture of Regions of France, region of Normandy (administrative region), Normandy and the Departments of France, department of Seine-Maritime. Formerly one ...
to
Tours
Tours ( ; ) is the largest city in the region of Centre-Val de Loire, France. It is the Prefectures in France, prefecture of the Departments of France, department of Indre-et-Loire. The Communes of France, commune of Tours had 136,463 inhabita ...
in the north-west of
France
France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...
. Part of the road (now ''RD 338'') is temporarily a portion of the
Circuit de la Sarthe
The Circuit des 24 Heures du Mans, also known as Circuit de la Sarthe (after the 1906 French Grand Prix triangle circuit) located in Le Mans, Sarthe, France, is a semi-permanent motorsport race course, chiefly known as the venue for the 24 H ...
, known as the
Mulsanne Straight
The Mulsanne Straight (, "Straight Line of Les Hunaudières") is the name used in English for a formerly long straight of the Circuit de la Sarthe around which the 24 Hours of Le Mans auto race takes place. Since 1990, the straight is interrup ...
.
Downgrade
Before the 1972 downgrade, the RN 138 linked Rouen to Saintes via
Saumur
Saumur () is a Communes of France, commune in the Maine-et-Loire Departments of France, department in western France.
The town is located between the Loire and Thouet rivers, and is surrounded by the vineyards of Saumur itself, Chinon, Bourgu ...
. This portion of the road was partly downgraded between
La Flèche
La Flèche () is a town and commune in the French department of Sarthe, in the Pays de la Loire region in the Loire Valley. It is the sub-prefecture of the South-Sarthe, the chief district and the chief city of a canton, and the second most p ...
and
Niort
Niort (; Poitevin: ''Niàu''; ; ) is a commune in the Deux-Sèvres department, western France. It is the prefecture of Deux-Sèvres.
The population of Niort is 58,707 (2017) and more than 177,000 people live in the urban area.
Geography
T ...
, becoming RD 938. It was later renumbered:
:RN 147 between
Longué-Jumelles
Longué-Jumelles () is a commune in the Maine-et-Loire department in western France
France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include F ...
and Montreuil-Bellay
:RN 150 between Niort and Saintes.
The remainder was downgraded in 2006. The road was then renumbered according to each
département
In the administrative divisions of France, the department (, ) is one of the three levels of government under the national level (" territorial collectivities"), between the administrative regions and the communes. There are a total of 101 ...
:
:RD 438 in
Eure
Eure ( ; ; or ) is a department in the administrative region of Normandy, northwestern France, named after the river Eure. Its prefecture is Évreux. In 2021, Eure had a population of 598,934.Orne
Orne (; or ) is a département in the northwest of France, named after the river Orne. It had a population of 279,942 in 2019.Sarthe
Sarthe () is a department of the French region of Pays de la Loire, and the province of Maine, situated in the '' Grand-Ouest'' of the country. It is named after the river Sarthe, which flows from east of Le Mans to just north of Angers. It ha ...
:RD 938 in
Indre-et-Loire
Indre-et-Loire () is a department in west-central France named after the Indre River and Loire River. In 2019, it had a population of 610,079.138
{{france-road-stub