Interstate 40 westbound approaches the agricultural inspection station outside Needles, California. 07/22/14
Agricultural inspection stations are located on all Interstate highways entering California from Arizona, Nevada and Oregon. When in operation, these stations require motorists to stop as officers do a visual observation of vehicles or conduct verbal questioning of drivers for any inbound based agricultural products.
A prematurely revealed Interstate 41 trailblazer in Milwaukee. Photo by davenh
Interstate 41 is one of the newest Interstates in the system, with approval by the American Association of State Highway and Transportation Officials (AASHTO) in November 2012. Additions since include IH 2 in 2013 and I-11 in Nevada.