Now Houghton and others want to build a highway through the ASARCO site -- still without disclosing the illegal highly poisonous wastes

"Another proposal would align the project's northern section about 150 feet away from I-10 through the Asarco site. Some black slag, a smelting byproduct piled on the site, could provide road bed material, filling in depressions along the highway route, Houghton said. Although some of the slag could leach contamination and will be buried in high-tech landfills, analysis has shown much of it is safe for such highway construction use, officials have said.

An environmental impact study also is under way, Houghton said."  El Paso Times 12-7-11

See google alert:
"Input sought for Loop 375 West
El Paso Times
It will connect the Border Highway with Interstate 10 through the Chihuahuita neighborhood and the former Asarco smelter property. New construction will be ..."