|  | 20 | URBAN CONSTRUCTION AND ENVIRONMENTAL PROTECTION
MAJOR STATISTICAL INDICATORS OF 2007
Urban Population Density |  |  | 3184 | (person/sq.km)
Area of Existing Road in Urban District |  |  | 2247(10000 sq.m)
Per Capita Green Area of Parks in Urban District |  |  |  | 11.35(sq.m)
Number of Taxi in Operation in Urban Area |  |  | 2142(coach)
Gas Penetration Rate in Urban District |  |  |  | 98.1%