A84 autoroute

Last updated

Autoroute francaise 84.svg
A84 autoroute
Autoroute des Estuaires
Autoroute A84 - plan.png
Entree A 84 Caen.JPG
Start of A84 at the Porte de Bretagne exit of the Périphérique Caen.
Route information
Part of Route europeenne 3.svg E3 Route europeenne 46.svg E46 Route europeenne 401.svg E401
Length170 km (110 mi)
Existed2003–present
Major junctions
North end Périphérique Caen
Major intersections
South endRocade Rennes
Location
Country France
Major cities Caen
Rennes
Highway system
  • Roads in France

The A84 autoroute is a major motorway in western France completed on 27 January 2003 to connect the cities of Rennes in Brittany with Caen in Lower Normandy. It is part of the Autoroute des Estuaires from Belgium to Spain, avoiding Paris.

Contents

Characteristics

The motorway, 170 km long, cost a total of 650 million. It is dual-carriageway both ways on its entire course and service areas are positioned at regular intervals. It is toll free.

The motorway was built with a special road surface to allow rain water to run off quickly, but it is ineffective with snow that often falls in large quantities in winter, so snowploughs are employed regularly. Motorway traffic radio 107.7 broadcasts A84 information specifically.

The highway is free throughout its entire length. The various governments have studied the concession of this highway, but the regional authorities of Brittany and Normandy have convinced the public authorities to build and manage this highway with public funds.

History

Route

Map of the A84. Autoroute A84 - plan.png
Map of the A84.

List of junctions

Junction number & nameNorthbound exitsSouthbound exits
Sinnbild Autobahnkreuz.svg 24 RN 136 RN 136
Sinnbild Autobahnausfahrt.svg  25 RD 812, Thorigné-Fouillard
Sinnbild Autobahnausfahrt.svg  26 RD 812 (RN 12), Liffré RD 812 (RN 12), Liffré
Sinnbild Autobahnausfahrt.svg  27 RD 812 (RN 12), Liffré RD 812 (RN 12), Liffré
Sinnbild Autobahnausfahrt.svg  28 RD 794, Saint-Aubin-du-Cormier RD 794, Saint-Aubin-du-Cormier
Aire de pique-nique.png  La Chaîne / La Lande
Sinnbild Autobahnausfahrt.svg  29  RN 12, Fougères RN 12, Fougères
Sinnbild Autobahnausfahrt.svg  30 RD 155, Saint-Brice-en-Coglès RD 155, Saint-Brice-en-Coglès, Antrain
Aire de pique-nique.png  Le Coglais
Sinnbild Autobahnausfahrt.svg  31 RD 102, Coglès, Louvigné-du-Désert, Antrain RD 102, Coglès, Louvigné-du-Désert
Sinnbild Autobahnausfahrt.svg  32 RD 30, Saint-James RD 30, Saint-James
Aire d'autoroute - station essence.png  Le Mont Saint-Michel
Sinnbild Autobahnausfahrt.svg  33  RN 176, Pontaubault, Ducey RN 176, Pontaubault, Ducey, Le Mont Saint-Michel
Sinnbild Autobahnausfahrt.svg  34  RN 175, Pontaubault, Le Mont Saint-Michel
Sinnbild Autobahnausfahrt.svg  35 
Sinnbild Autobahnausfahrt.svg  36 RD 911, Avranches RD 911, Avranches
Aire d'autoroute - station essence.png  La Baie du Mont Saint-Michel
Sinnbild Autobahnausfahrt.svg  37 RD 924, Villedieu-les-Poêles RD 924, Villedieu-les-Poêles
Sinnbild Autobahnausfahrt.svg  38 RD 999, Villedieu-les-Poêles RD 999, Villedieu-les-Poêles
Aire d'autoroute - station essence.png  La vallée de la Vire-Gouvets
Sinnbild Autobahnausfahrt.svg  39 RD 21, Tessy-sur-Vire RD 21, Tessy-sur-Vire
Sinnbild Autobahnausfahrt.svg  40  RN 174 RN 174
Sinnbild Autobahnausfahrt.svg  41 RD 53, Saint-Martin-des-Besaces RD 53, Saint-Martin-des-Besaces
Aire d'autoroute - station essence.png   Saint-Jean-des-Essartiers
Sinnbild Autobahnausfahrt.svg  42 RD 577, Coulvain RD 577, Coulvain
Sinnbild Autobahnausfahrt.svg  43 Villers-Bocage RD 30, Saint-James RD 30, Saint-James
Sinnbild Autobahnausfahrt.svg  44 Villers-Bocage Nord  RN 175, Villers-Bocage
Sinnbild Autobahnausfahrt.svg  45 RD 92, Tournay-sur-Odon RD 92, Tournay-sur-Odon
Sinnbild Autobahnausfahrt.svg  46 RD 174 (RN 175), Noyers-Bocage, Missy RD 174 (RN 175), Noyers-Bocage, Missy
Sinnbild Autobahnausfahrt.svg  47 RD 147A, Version
Sinnbild Autobahnausfahrt.svg  48 RD 30, Saint-James RD 30, Saint-James
Sinnbild Autobahnkreuz.svg 49/9 RN 813, RN 175, Bretteville-sur-Odon, Caen RN 813, RN 175, Bretteville-sur-Odon, Caen

Future extensions

The A84 is interrupted at Avranches. The bypass to the west of Avranches, by the RN 175 with two double lanes, has geometrical characteristics which do not allow the construction of motorway characteristics and status. An East motorway bypass for the A84 was therefore planned in the long term. The State bought 60 hectares of land and destroyed four houses along the route. However, the works are yet be launched. The land is still owned by the state.

The A84 is also to be extended to Nantes by upgrading the RN 137 dual-carriageway, thus creating a Caen-Rennes-Nantes route. This was abandoned, along with other projects of dual-carriageway upgrades in Brittany (RN 157 and RN 12 were planned to become A81 and RN 165 was planned to become A82). [1]

In addition at Rennes, the construction of a "south-east bypass" will make it possible to avoid the Rennes ring-road on this route. Construction was due to commence from 2021 but was abandoned.

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References

  1. "RN12 et RN165. Projet autoroutier abandonné". Le Télégramme. 13 October 2014.