MP: 0 Location: SR 397 and I-82, Benton Cty SR 397 begins down here now at I-82 and has since 2009. The road still isn’t signed as 397 though, but is well signed as the Truck Route to Finley Industrial. MP: 3.09 Location: SR 397 and Olympia St, Benton Cty “Reassurance shield” as we pass Olympia St, … Continue reading State Route 397, I-82/US-395 to I-182/US-12/US-395