Location: SH-3 and US-81, Canadian Cty Reassurance shield after the 81 split. Location: SH-3 and US-81, Canadian Cty Reassurance shield a few feet later as US-81 north traffic merges on. Location: Northwest Expy and Richland Rd, Oklahoma City A few miles later, we’ll enter Oklahoma City. We’re a long way from the core of the … Continue reading Oklahoma State Highway 3, US-81 to OK-4