It has the seventh highest road density in the India ( 1,027 km per 1000 km2 in 2002 ) . It also has the largest surfaced urban road network in the country ( 50,721 km , as on 2002 ) . It has seventh highest road density in India , ( 1,027 km per 1000 km ,2 as on 2002 ) and largest surfaced urban road network in the country ( 50,721 km , as on 2002 ) .