Interstate 182 ( sometimes called I-182 ) is a 15.19-mile long Interstate Highway in the state of Washington , going into the Tri-Cities . The road goes from Interstate 82 west of Richland to U.S. Route 12 in Pasco . Interstate 182 ( I-182 ) is a 15.19 m Interstate Highway that extends from I-82 west of Richland to US 12 in Pasco .