Concar S.A. is a Peruvian company, part of the Graña y Montero group, engaged in the operation and maintenance for twelve freeways in Peru, totaling 4,600km. The company also operates and maintains Lima's 20.9km Metro Line 1, under a 30-year concession contract. Most of Concar's highway concessions are for 5-year periods; two for 25 years; and the Buenos Aires-Canchaque concession for 15 years, with Concar acting as operator. The other highways operated by Concar are Norvial and Survial. Concar was incorporated in 1994 and is headquartered in Lima.