La route nationale 2010, ou RN2010, est une ancienne route nationale française qui correspondait à l'ancien tracé de la RN10 lorsque celle-ci a été déviée.
Étant donnée la longueur importante de la RN10 et les nombreux aménagements réalisés sur son tracé, le numéro a été attribué à de nombreux itinéraires dont nous donnons une liste exhaustive ci-après :
Liaison Chartres - Luisant.
Liaison Le Maine-Merle - Chez Desmard, du Nord au Sud de Barbezieux-Saint-Hilaire.
Liaison La Gare - Chez Joseph, entre Chevanceaux et Pouillac.
Liaison Chavan - La Croix de Balais, entre Laruscade et Cavignac.
Ces différents parcours ont tous été déclassés suite à la réforme de 2005.
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