Autoroute française A81 (Projet)

Pour les articles homonymes, voir Autoroute A81 (Homonymie). 

---

Autoroute A81 (Projet)
Localisation
Pays	France
Régions	Pays de la Loire Bretagne
Exploitation
Gestionnaire	DIR Ouest
Caractéristiques principales
Itinéraire	La Gravelle - Brest
Longueur	290 km
Historique
Ancienne numérotation	RN157 RN136 RN12
Premières études	Années 1990
Ouverture prévue	Après 2020

Présentation

• L'autoroute A81 est une nouvelle liaison en projet entre La Gravelle et Brest qui correspondra à la mise aux normes autoroutières de la RN157, de la RN136 et de la RN12.
• Les travaux ont déjà débuté depuis une décennie et la voie express ne deviendra réellement une autoroute que lorsque tous les aménagements prévus seront effectués. En raison des restrictions budgétaires, la réalisation des travaux est très progressive alors que le trafic est très important sur cet axe majeur.
• A l'horizon de la mise aux normes autoroutières, l'A81 pourrait adopter une limitation de vitesse à 130 km/h sur certaines sections en rase campagne. Le gain de temps sera cependant limité par rapport à la situation actuelle en raison de la saturation de l'axe.
• Toutefois, il semble que ce projet soit compromis car la préfecture de Bretagne déclare en septembre 2014 que "la mise aux normes autoroutières des routes nationales bretonnes est un projet qui avait été étudié dans les années 80 - 90 mais qui n'est plus à l'ordre du jour".

Caractéristiques

Section La Gravelle - Rennes

• Mise aux normes autoroutières de la RN157 entre La Gravelle et Rennes.
• Élargissement à 2x3 voies de certaines portions, principalement aux abords des agglomérations.
• Cette section pourrait être concédée à Cofiroute selon le mécanisme de l'adossement. La gratuite serait maintenue, les travaux étant financés par des ponctions supplémentaires sur le réseau actuellement concédé (sur-péage à La Gravelle et/ou allongement de la durée de concession).

Contournement Nord de Rennes

• Mise aux normes autoroutières de la RN136 entre la RN157 et la RN12.
• Élargissement à 2x3 voies de certaines portions.

Barreau de Pont-Lagot

• Nouvelle section d'autoroute sur 5,3 km comprenant :
  • Un barreau de 2,6 km entre la RN136 et la RN12.
  • Une voie élargie d'une longueur de 2,7 km à 2x3 voies sur la RN12 jusqu'à l'échangeur de Pacé.

Section Rennes - Brest

• Mise aux normes autoroutières de la RN12 entre Rennes et Brest.
• Élargissement à 2x3 voies de certaines portions.

Historique

Déclarations d'utilité publique

Sections directement aux normes autoroutières

• 04 01 1995 : Section Porte de la Rigourdière - Porte de Normandie (sorties 1 à 16) Lien
• 14 12 2004 : Section "Barreau de Pont-Lagot" Porte de Brest - Vezin-le-Coquet (sortie 12 - RN1012) Lien, (remplace les DUP de 1995 et 1997 pour les sections concernées)

Sections mises aux normes autoroutières

• 04 01 1995 : Section Porte de Normandie - Porte de Pacé (sorties 16 à 11) Lien, (repris sur la RN136)
• 28 04 1997 : Section Porte de Pacé - Tramain (sortie 11 - RN176) Lien, (repris sur la RN12)

Mises en service

Sections directement aux normes autoroutières

• Ces sections ont été directement construites aux normes autoroutières, bien qu'ayant une signalisation de type voie express.
• 28 06 1999 : Section Porte de la Rigourdière - Porte de Normandie (sorties 1 à 16), (→RN136)
• 06 12 2011 : Section "Barreau de Pont-Lagot" Porte de Brest - Vezin-le-Coquet (sortie 12 - RN1012), (→RN12)

Voies express intégrables

• À compléter

Section La Gravelle - Rennes

• Pas de travaux prévus à court ou moyen terme.

Contournement Nord de Rennes

• Pas de travaux prévus à court ou moyen terme.

Barreau de Pont-Lagot

• 14 décembre 2004 : Déclaration d’utilité publique
• 2007 à 2010 : Réalisation des ouvrages d'art et ouvrages hydrauliques.
• Mars 2010 à juin 2011 : Élargissement à 2x3 voies de la RN12 entre son raccordement avec le barreau et l'échangeur de Pacé.
• Mars 2010 à novembre 2011 : Terrassements généraux, assainissement, chaussées du barreau et de son raccordement à la rocade.
• 18 novembre 2010 : Mise en circulation de la voie de bifurcation pour le sens Rennes - Saint-Brieuc.
• 13 janvier 2011 : Mise en circulation de la voie de la bifurcation pour le sens Saint-Brieuc - Rennes.
• 6 décembre 2011 : Mise en circulation générale.
• 2012 : Construction des écrans anti-bruit et aménagements paysagers.

Section Rennes - Brest

• Pas de travaux prévus à court ou moyen terme.

Localisation

Chargement de la carte...

{"type":"HYBRID","minzoom":false,"maxzoom":false,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"mappingservice":"googlemaps3","width":"550px","height":"450px","centre":{"text":"","title":"","link":"","lat":48.107431,"lon":-3.02124,"icon":""},"title":"","label":"","icon":"","lines":[{"text":"","title":"","link":"","strokeColor":"#0000FF","strokeOpacity":"1","strokeWeight":"5","pos":[{"lat":48.084042,"lon":-1.046448},{"lat":48.084042,"lon":-1.046448},{"lat":48.086107,"lon":-1.059494},{"lat":48.088171,"lon":-1.07254},{"lat":48.089776,"lon":-1.085243},{"lat":48.089547,"lon":-1.094856},{"lat":48.087712,"lon":-1.110649},{"lat":48.08496,"lon":-1.125412},{"lat":48.080373,"lon":-1.137772},{"lat":48.076014,"lon":-1.149445},{"lat":48.072574,"lon":-1.156654},{"lat":48.070738,"lon":-1.170044},{"lat":48.07005,"lon":-1.180344},{"lat":48.070279,"lon":-1.189613},{"lat":48.072344,"lon":-1.204376},{"lat":48.072115,"lon":-1.215706},{"lat":48.071885,"lon":-1.232185},{"lat":48.072803,"lon":-1.243858},{"lat":48.074868,"lon":-1.267204},{"lat":48.076014,"lon":-1.282654},{"lat":48.076244,"lon":-1.29982},{"lat":48.076703,"lon":-1.310806},{"lat":48.078079,"lon":-1.321106},{"lat":48.082437,"lon":-1.335869},{"lat":48.086336,"lon":-1.349258},{"lat":48.088171,"lon":-1.359558},{"lat":48.089317,"lon":-1.370544},{"lat":48.090923,"lon":-1.383247},{"lat":48.092757,"lon":-1.393204},{"lat":48.096426,"lon":-1.405563},{"lat":48.099865,"lon":-1.418953},{"lat":48.101241,"lon":-1.427879},{"lat":48.10147,"lon":-1.438866},{"lat":48.102387,"lon":-1.452255},{"lat":48.103534,"lon":-1.465302},{"lat":48.103534,"lon":-1.472511},{"lat":48.103075,"lon":-1.488647},{"lat":48.103992,"lon":-1.496544},{"lat":48.106056,"lon":-1.5065},{"lat":48.106973,"lon":-1.514053},{"lat":48.10766,"lon":-1.52195},{"lat":48.109494,"lon":-1.53019},{"lat":48.112016,"lon":-1.540489},{"lat":48.113621,"lon":-1.553192},{"lat":48.114996,"lon":-1.563835},{"lat":48.116142,"lon":-1.571388},{"lat":48.121413,"lon":-1.573105},{"lat":48.128747,"lon":-1.574478},{"lat":48.134934,"lon":-1.575508},{"lat":48.139058,"lon":-1.580658},{"lat":48.143411,"lon":-1.587524},{"lat":48.146847,"lon":-1.593018},{"lat":48.149367,"lon":-1.598167},{"lat":48.149825,"lon":-1.603661},{"lat":48.149596,"lon":-1.609497},{"lat":48.147534,"lon":-1.615334},{"lat":48.143869,"lon":-1.620483},{"lat":48.14112,"lon":-1.62529},{"lat":48.139974,"lon":-1.630783},{"lat":48.139974,"lon":-1.63559},{"lat":48.141807,"lon":-1.643486},{"lat":48.142265,"lon":-1.651039},{"lat":48.142265,"lon":-1.659279},{"lat":48.140891,"lon":-1.688805},{"lat":48.139516,"lon":-1.697388},{"lat":48.137454,"lon":-1.703224},{"lat":48.133788,"lon":-1.707344},{"lat":48.129205,"lon":-1.711464},{"lat":48.126226,"lon":-1.71524},{"lat":48.123705,"lon":-1.718674},{"lat":48.120268,"lon":-1.720734},{"lat":48.123018,"lon":-1.73275},{"lat":48.128518,"lon":-1.750259},{"lat":48.133101,"lon":-1.760902},{"lat":48.1386,"lon":-1.772232},{"lat":48.143869,"lon":-1.779785},{"lat":48.146618,"lon":-1.788025},{"lat":48.151657,"lon":-1.799355},{"lat":48.155551,"lon":-1.807938},{"lat":48.157841,"lon":-1.816864},{"lat":48.158757,"lon":-1.827507},{"lat":48.159902,"lon":-1.83815},{"lat":48.160131,"lon":-1.84742},{"lat":48.161047,"lon":-1.852226},{"lat":48.163337,"lon":-1.861839},{"lat":48.167688,"lon":-1.874542},{"lat":48.170436,"lon":-1.884155},{"lat":48.170207,"lon":-1.888618},{"lat":48.169978,"lon":-1.899948},{"lat":48.169978,"lon":-1.906815},{"lat":48.170436,"lon":-1.911621},{"lat":48.174328,"lon":-1.917801},{"lat":48.179136,"lon":-1.928101},{"lat":48.183714,"lon":-1.936684},{"lat":48.184859,"lon":-1.945267},{"lat":48.186232,"lon":-1.959686},{"lat":48.187148,"lon":-1.968956},{"lat":48.187148,"lon":-1.974449},{"lat":48.185775,"lon":-1.982689},{"lat":48.185546,"lon":-1.994362},{"lat":48.18669,"lon":-2.007408},{"lat":48.189437,"lon":-2.017365},{"lat":48.192641,"lon":-2.022858},{"lat":48.19882,"lon":-2.029381},{"lat":48.203626,"lon":-2.033844},{"lat":48.206829,"lon":-2.041397},{"lat":48.207515,"lon":-2.05101},{"lat":48.207744,"lon":-2.063026},{"lat":48.208202,"lon":-2.069206},{"lat":48.21049,"lon":-2.080193},{"lat":48.213693,"lon":-2.090149},{"lat":48.219183,"lon":-2.106628},{"lat":48.222385,"lon":-2.112465},{"lat":48.227646,"lon":-2.116928},{"lat":48.233592,"lon":-2.121048},{"lat":48.238166,"lon":-2.126541},{"lat":48.250741,"lon":-2.136154},{"lat":48.259656,"lon":-2.143707},{"lat":48.267426,"lon":-2.149887},{"lat":48.270854,"lon":-2.155724},{"lat":48.272454,"lon":-2.162933},{"lat":48.272454,"lon":-2.168427},{"lat":48.272225,"lon":-2.17495},{"lat":48.274282,"lon":-2.182159},{"lat":48.277709,"lon":-2.188683},{"lat":48.282964,"lon":-2.195892},{"lat":48.288676,"lon":-2.207222},{"lat":48.294615,"lon":-2.223358},{"lat":48.298269,"lon":-2.230568},{"lat":48.301695,"lon":-2.233658},{"lat":48.309459,"lon":-2.238464},{"lat":48.318821,"lon":-2.249107},{"lat":48.32567,"lon":-2.258377},{"lat":48.334343,"lon":-2.267303},{"lat":48.337995,"lon":-2.275887},{"lat":48.340277,"lon":-2.28344},{"lat":48.342787,"lon":-2.28756},{"lat":48.348492,"lon":-2.290306},{"lat":48.351686,"lon":-2.294426},{"lat":48.353283,"lon":-2.300262},{"lat":48.353968,"lon":-2.307816},{"lat":48.356933,"lon":-2.312965},{"lat":48.364689,"lon":-2.324982},{"lat":48.367427,"lon":-2.329788},{"lat":48.369935,"lon":-2.338715},{"lat":48.372672,"lon":-2.350044},{"lat":48.375409,"lon":-2.359314},{"lat":48.379514,"lon":-2.369614},{"lat":48.38453,"lon":-2.37957},{"lat":48.39023,"lon":-2.394333},{"lat":48.394562,"lon":-2.400856},{"lat":48.402084,"lon":-2.410812},{"lat":48.405731,"lon":-2.416306},{"lat":48.410517,"lon":-2.425575},{"lat":48.413707,"lon":-2.431068},{"lat":48.417125,"lon":-2.437248},{"lat":48.418948,"lon":-2.444115},{"lat":48.421682,"lon":-2.451324},{"lat":48.4251,"lon":-2.457504},{"lat":48.430567,"lon":-2.464714},{"lat":48.436718,"lon":-2.471924},{"lat":48.440818,"lon":-2.47776},{"lat":48.447422,"lon":-2.482224},{"lat":48.452204,"lon":-2.486},{"lat":48.45357,"lon":-2.49115},{"lat":48.454709,"lon":-2.49836},{"lat":48.456075,"lon":-2.508659},{"lat":48.457213,"lon":-2.516556},{"lat":48.45949,"lon":-2.534065},{"lat":48.461312,"lon":-2.539558},{"lat":48.467686,"lon":-2.549171},{"lat":48.471783,"lon":-2.556381},{"lat":48.474287,"lon":-2.563591},{"lat":48.474742,"lon":-2.573891},{"lat":48.476563,"lon":-2.59037},{"lat":48.476791,"lon":-2.601357},{"lat":48.476335,"lon":-2.611313},{"lat":48.477929,"lon":-2.620239},{"lat":48.480204,"lon":-2.630539},{"lat":48.480887,"lon":-2.638435},{"lat":48.480432,"lon":-2.647705},{"lat":48.479749,"lon":-2.659378},{"lat":48.479294,"lon":-2.665558},{"lat":48.479749,"lon":-2.672081},{"lat":48.482025,"lon":-2.685471},{"lat":48.482708,"lon":-2.69577},{"lat":48.483846,"lon":-2.70401},{"lat":48.485211,"lon":-2.712593},{"lat":48.486349,"lon":-2.717056},{"lat":48.489307,"lon":-2.721863},{"lat":48.493857,"lon":-2.723923},{"lat":48.498863,"lon":-2.725983},{"lat":48.503412,"lon":-2.731819},{"lat":48.509326,"lon":-2.739029},{"lat":48.514103,"lon":-2.743149},{"lat":48.520698,"lon":-2.748642},{"lat":48.527974,"lon":-2.753792},{"lat":48.537977,"lon":-2.762032},{"lat":48.542751,"lon":-2.767181},{"lat":48.545251,"lon":-2.773705},{"lat":48.545705,"lon":-2.782288},{"lat":48.545705,"lon":-2.789497},{"lat":48.544796,"lon":-2.799454},{"lat":48.545024,"lon":-2.810783},{"lat":48.544796,"lon":-2.825203},{"lat":48.542978,"lon":-2.833786},{"lat":48.54025,"lon":-2.842026},{"lat":48.535931,"lon":-2.848549},{"lat":48.530475,"lon":-2.858162},{"lat":48.525928,"lon":-2.865715},{"lat":48.523426,"lon":-2.871552},{"lat":48.522517,"lon":-2.876358},{"lat":48.522744,"lon":-2.881508},{"lat":48.525473,"lon":-2.891808},{"lat":48.528656,"lon":-2.90451},{"lat":48.530475,"lon":-2.91687},{"lat":48.531384,"lon":-2.927856},{"lat":48.53093,"lon":-2.937813},{"lat":48.53093,"lon":-2.950516},{"lat":48.53002,"lon":-2.964592},{"lat":48.529338,"lon":-2.977295},{"lat":48.529338,"lon":-2.987251},{"lat":48.530248,"lon":-2.996521},{"lat":48.532748,"lon":-3.008537},{"lat":48.535249,"lon":-3.017807},{"lat":48.536386,"lon":-3.02433},{"lat":48.536159,"lon":-3.031197},{"lat":48.535704,"lon":-3.041496},{"lat":48.535477,"lon":-3.048019},{"lat":48.53775,"lon":-3.059349},{"lat":48.542523,"lon":-3.078232},{"lat":48.546842,"lon":-3.096428},{"lat":48.550478,"lon":-3.111877},{"lat":48.552069,"lon":-3.119431},{"lat":48.552978,"lon":-3.123207},{"lat":48.552296,"lon":-3.129044},{"lat":48.550933,"lon":-3.13797},{"lat":48.549796,"lon":-3.146553},{"lat":48.548887,"lon":-3.154793},{"lat":48.548887,"lon":-3.161316},{"lat":48.550251,"lon":-3.167152},{"lat":48.553433,"lon":-3.172989},{"lat":48.558432,"lon":-3.181915},{"lat":48.562522,"lon":-3.189468},{"lat":48.564794,"lon":-3.195992},{"lat":48.565476,"lon":-3.203201},{"lat":48.564794,"lon":-3.209724},{"lat":48.56593,"lon":-3.218307},{"lat":48.566839,"lon":-3.228607},{"lat":48.566839,"lon":-3.237877},{"lat":48.568202,"lon":-3.244057},{"lat":48.570247,"lon":-3.25161},{"lat":48.571382,"lon":-3.260536},{"lat":48.571382,"lon":-3.267746},{"lat":48.570474,"lon":-3.273239},{"lat":48.569111,"lon":-3.280792},{"lat":48.569111,"lon":-3.291779},{"lat":48.567748,"lon":-3.297615},{"lat":48.567066,"lon":-3.304482},{"lat":48.567293,"lon":-3.312378},{"lat":48.566612,"lon":-3.319931},{"lat":48.564567,"lon":-3.329544},{"lat":48.559795,"lon":-3.34362},{"lat":48.556387,"lon":-3.355293},{"lat":48.553887,"lon":-3.364563},{"lat":48.552524,"lon":-3.376579},{"lat":48.55116,"lon":-3.388939},{"lat":48.548887,"lon":-3.407478},{"lat":48.548433,"lon":-3.418808},{"lat":48.548433,"lon":-3.428421},{"lat":48.549796,"lon":-3.437691},{"lat":48.548887,"lon":-3.44593},{"lat":48.548887,"lon":-3.454514},{"lat":48.549115,"lon":-3.463097},{"lat":48.551615,"lon":-3.468933},{"lat":48.554796,"lon":-3.475456},{"lat":48.556841,"lon":-3.480949},{"lat":48.558432,"lon":-3.490219},{"lat":48.560023,"lon":-3.496399},{"lat":48.562068,"lon":-3.503952},{"lat":48.562068,"lon":-3.511162},{"lat":48.562295,"lon":-3.517342},{"lat":48.564112,"lon":-3.529015},{"lat":48.563204,"lon":-3.534851},{"lat":48.563885,"lon":-3.539658},{"lat":48.565248,"lon":-3.544121},{"lat":48.567293,"lon":-3.552704},{"lat":48.56752,"lon":-3.559227},{"lat":48.566839,"lon":-3.56575},{"lat":48.567066,"lon":-3.57399},{"lat":48.567748,"lon":-3.589439},{"lat":48.569111,"lon":-3.600769},{"lat":48.570247,"lon":-3.607292},{"lat":48.570928,"lon":-3.620682},{"lat":48.57161,"lon":-3.627892},{"lat":48.5732,"lon":-3.633041},{"lat":48.575244,"lon":-3.637848},{"lat":48.577289,"lon":-3.642654},{"lat":48.57797,"lon":-3.646431},{"lat":48.577289,"lon":-3.650551},{"lat":48.57638,"lon":-3.655014},{"lat":48.5732,"lon":-3.661537},{"lat":48.571837,"lon":-3.668404},{"lat":48.571382,"lon":-3.67527},{"lat":48.572064,"lon":-3.683167},{"lat":48.574336,"lon":-3.689346},{"lat":48.575926,"lon":-3.695869},{"lat":48.575926,"lon":-3.704453},{"lat":48.575244,"lon":-3.712006},{"lat":48.57479,"lon":-3.717499},{"lat":48.575926,"lon":-3.723679},{"lat":48.57797,"lon":-3.733292},{"lat":48.580241,"lon":-3.743935},{"lat":48.581831,"lon":-3.754234},{"lat":48.583421,"lon":-3.765564},{"lat":48.585692,"lon":-3.776207},{"lat":48.587282,"lon":-3.787537},{"lat":48.58819,"lon":-3.79509},{"lat":48.587509,"lon":-3.804359},{"lat":48.587963,"lon":-3.808823},{"lat":48.59137,"lon":-3.817062},{"lat":48.595003,"lon":-3.824959},{"lat":48.595457,"lon":-3.829079},{"lat":48.594322,"lon":-3.833199},{"lat":48.592278,"lon":-3.838348},{"lat":48.58819,"lon":-3.845901},{"lat":48.584102,"lon":-3.850365},{"lat":48.578197,"lon":-3.854141},{"lat":48.5732,"lon":-3.854141},{"lat":48.570019,"lon":-3.854485},{"lat":48.566839,"lon":-3.857231},{"lat":48.560477,"lon":-3.868561},{"lat":48.556387,"lon":-3.873711},{"lat":48.551842,"lon":-3.882294},{"lat":48.547296,"lon":-3.89019},{"lat":48.54366,"lon":-3.895683},{"lat":48.541841,"lon":-3.90358},{"lat":48.538886,"lon":-3.914223},{"lat":48.535249,"lon":-3.922119},{"lat":48.531384,"lon":-3.929672},{"lat":48.528201,"lon":-3.941002},{"lat":48.52661,"lon":-3.953018},{"lat":48.52661,"lon":-3.961258},{"lat":48.526155,"lon":-3.968124},{"lat":48.52661,"lon":-3.974304},{"lat":48.527064,"lon":-3.981171},{"lat":48.525473,"lon":-3.987007},{"lat":48.522517,"lon":-3.993874},{"lat":48.520698,"lon":-3.99971},{"lat":48.519788,"lon":-4.01516},{"lat":48.518651,"lon":-4.028206},{"lat":48.517741,"lon":-4.041939},{"lat":48.518196,"lon":-4.048119},{"lat":48.518196,"lon":-4.055328},{"lat":48.518424,"lon":-4.064255},{"lat":48.518424,"lon":-4.072838},{"lat":48.517287,"lon":-4.082794},{"lat":48.514785,"lon":-4.089661},{"lat":48.511828,"lon":-4.095154},{"lat":48.509099,"lon":-4.102364},{"lat":48.507507,"lon":-4.106483},{"lat":48.506142,"lon":-4.114723},{"lat":48.506142,"lon":-4.123993},{"lat":48.50546,"lon":-4.132576},{"lat":48.50455,"lon":-4.140129},{"lat":48.504095,"lon":-4.148026},{"lat":48.502957,"lon":-4.154892},{"lat":48.502502,"lon":-4.163475},{"lat":48.50182,"lon":-4.171028},{"lat":48.499545,"lon":-4.182014},{"lat":48.497498,"lon":-4.189911},{"lat":48.49545,"lon":-4.199524},{"lat":48.493175,"lon":-4.213257},{"lat":48.49181,"lon":-4.220467},{"lat":48.489534,"lon":-4.228706},{"lat":48.488624,"lon":-4.234543},{"lat":48.488169,"lon":-4.243126},{"lat":48.488624,"lon":-4.252739},{"lat":48.488169,"lon":-4.266472},{"lat":48.485894,"lon":-4.277802},{"lat":48.484073,"lon":-4.288788},{"lat":48.482025,"lon":-4.299088},{"lat":48.478611,"lon":-4.308701},{"lat":48.472011,"lon":-4.324837},{"lat":48.468596,"lon":-4.334793},{"lat":48.461312,"lon":-4.355049},{"lat":48.457897,"lon":-4.364319},{"lat":48.449472,"lon":-4.386635},{"lat":48.445372,"lon":-4.398308},{"lat":48.441273,"lon":-4.409294},{"lat":48.439451,"lon":-4.417534},{"lat":48.436262,"lon":-4.427834},{"lat":48.434212,"lon":-4.437103},{"lat":48.433757,"lon":-4.44397},{"lat":48.433616,"lon":-4.44388}]}],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"visitedicon":"","wmsoverlay":false,"zoom":7,"layers":[],"controls":["pan","zoom","streetview","type","scale"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"resizable":false,"kmlrezoom":false,"poi":true,"cluster":false,"clustergridsize":60,"clustermaxzoom":20,"clusterzoomonclick":true,"clusteraveragecenter":true,"clusterminsize":2,"imageoverlays":[],"kml":[],"gkml":[],"searchmarkers":"","fullscreen":false,"scrollwheelzoom":false,"locations":[{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ELa Gravelle\n\u003C/p\u003E\u003C/div\u003E","title":"La Gravelle\n","link":"","lat":48.084042,"lon":-1.046448,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EBrest\n\u003C/p\u003E\u003C/div\u003E","title":"Brest\n","link":"","lat":48.433616,"lon":-4.44388,"icon":""}]}

Itinéraire

Voir l'article : Autoroute française A81 (Itinéraire).

Voir aussi

Sites SARA

•  [Saratlas] L'autoroute A81 sur Saratlas

•  [France Autoroutes] Photos de l'autoroute A81 sur France Autoroutes

•  [Autorout.free.fr] Panneaux directionnels de l'autoroute A81

•  [Forum Sara] Fil du Forum Sara sur l'autoroute A81

Sites externes

•  [Cofiroute] Site de Cofiroute

•  [DIR Ouest] Site de la DIR Ouest, le gestionnaire des RN12, RN136 et RN157