TrumpÕs Mexico ÒwallÓ could cost $21bn President Donald TrumpÕs ÒwallÓ along the U.S.-Mexico border would cost up to $21.6 billion and take more than three years to construct, based on a U.S. Department of Homeland Security internal report ÑÑÑÑÑÑÑÑÑ CALIFORNIA San Diego Tijuana BAJA CALIFORNIA NORTE PACIFIC OCEAN U N I T E D S T A T E S ARIZONA Tucson Nogales SONORA Gulf of California NEW MEXICO El Paso Ciudad Ju‡rez CHIHUAHUA M E X I C O SINALOA DURANGO Existing fence TEXAS 300km 200 miles Big Bend Rio Grande COAHUILA Rio Grande Valley Laredo NUEVO LEON TAMAULIPAS Gulf of Mexico ÑÑÑÑÑÑÑÑÑÑ THREE-PHASE PROJECT First phase: To target sections covering 42km near San Diego, El Paso, and in Rio Grande Valley Cost: $360m Second phase: 242km in and around Rio Grande Valley, Laredo, Tucson, El Paso and Big Bend Third phase: Unspecified 1,728km Structure: Fences and walls Length: 2,000km. With 1,046km already fortified, new construction would extend almost entire length of border (3,200km) Start: Sep 2017. Completion: 2020 Cost: $21.6bn. Trump says Congress should fund wall upfront, but Mexico will reimburse ÑÑÑÑÑÑÑÑ Sources: Reuters, U.S. Customs and Border Protection © GRAPHIC NEWS