In this photograph taken on Thursday, May 21, 2009, traffic flows along Interstate 70 near the intersection with Colorado highway 287 through the small Colorado plains community of Limon. The highway is the main roadway to be used in the Ports-To-Plains project that will cover the 2,333 miles from Laredo, Texas, to the Canadian border at Port Raymond in Saskatchewan. AP Photo logo AP Photo 5 months ago

In this photograph taken on Thursday, May 21, 2009, traffic flows along Interstate 70 near the intersection with Colorado highway 287 through the small Colorado plains community of Limon. The highway is the main roadway to be used in the Ports-To-Plains project that will cover the 2,333 miles from Laredo, Texas, to the Canadian border at Port Raymond in Saskatchewan.