MP: Old Oregon Trail Hwy #6/377.18 Location: I-84 and Idaho Ave, Ontario Reassurance shield after the US-30 split as we head out of Ontario. MP: Old Oregon Trail Hwy #6/378.01 Location: I-84 and E Idaho Ave, Ontario Done with Oregon. E to US-95, W to US-30 Bus/OR 201 E to ID State Line, W to US-30 … Continue reading Interstate 84, US-30/US-30 Bus to ID State Line