Our Neighbor Builds New 150-Mile Highway

NOVEMBER, 1935. ARIZONA HIGHWAYS 13 150-Mile Highway Privately Constructed Road for Metropolitan Aqueduct in California

with oil road-mix, having a compacted thickness of 3 inches. The Metropolitan Aqeduct will carry from the Colorado River to the Pacific coast cities building it, twelve in all, enough water annually to flood all of the New England states to a depth of almost four feet. Los Angeles is the largest city to be benefited. In public attention, the mere thought of bringing so large a quantity of water through 91 miles of tunnels, 56 miles of conduit, 66 miles of lined canals and 28 miles of siphons, has eclipsed the also dramatic epic of road building that had to precede the aqueduct work. The early pioneers had no real difficulty (Continued on page 24)

MAP of COLORADO RIVER AQUEDUCT

AQUEDUCT HIGHWAYS Including 150 miles of surfaced highways constructed by the Metropolitan Water District Main Aqueduct-241 miles: Tunnels-29, totaling 91 miles, 16 feet in diameter: Canals-66 miles: Conduits-56 miles: Siphons-28 miles: Intake on Colorado River, 155 miles below Boulder Dam: Longest Tunnel-East Coachella, 18 miles long: Second Longest Tunnel-San Jacinto, 13 miles long: Distribution System 62 miles: Initial Installation-144 miles of mains and tunnels.

Excavation work on 91 miles of tunnels in progress as shown on map. Contruction work on all of the canals, conduits, and siphons between the Intake and Cajalco Reservoir, totaling 140 miles in length, scheduled to be under way by December 31, 1934.