Route nationale 1 (French Guiana)
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RN3 Dégrad des Cannes
RN2 Saint-Georges- Kourou
- RD21 Saint-Élie / Sinnamary
Iracoubo- RD8 Mana
- RD9 Charvein
- RD11 Saint-Jean-du-Maroni
- Saint-Laurent-du-Maroni
Albina | |
|---|---|
| Route nationale 1 | |
 Route national 1 in blue | |
 Route nationale 1 near Cayenne | |
| Route information | |
| Length | 258 km (160 mi) |
| Major junctions | |
| West end | Cayenne |
| |
| East end | Albina |
| Location | |
| Country | France |
| Overseas region | French Guiana |
| Department | Guyane |
| Highway system | |
Route nationale 1 (RN1) is a highway in French Guiana, an overseas region and department of France in South America. The highway connects Cayenne with Saint-Laurent-du-Maroni on the Suriname border and measures 258 kilometres (160 mi).[1] The highway is the busiest road of French Guiana.[2]
In 1863, road construction started on Route Coloniale 1 to connect Cayenne with Saint-Laurent-du-Maroni. The road was built by prisoners of the penal colony. Many prisoners died during the construction.[3] In 1970s, the section connecting Kourou with Sinnamary was rerouted for the construction of the Guiana Space Centre.[4] In 1999, the road between Balata and Maringouins was widened to a 2x2 lanes dual carriageway.[5] In 2014, a grade-separated intersection with Route nationale 2 to Saint-Georges was opened.[6] The busiest section is in Cayenne where 44,543 vehicles per day used the road in 2010.[2]
Route
The highways begins in Cayenne. In Balata, Matoury, there is an intersection with Route National 2.[6] The road continues to Kourou, makes a detour around the Guiana Space Centre, and continues to Sinnamary, Iracoubo, and finally ends in Saint-Laurent-du-Maroni.[4] In Saint-Laurent-du-Maroni there is a ferry to Albina, Suriname.[7]
