Location: SH-3 and Latta Rd, Ada Reassurance shield after the SH-1 split. Location: SH-3 and Kerr Lab Rd, Ada Reassurance shield after the Oak Ave interchange. As we head around the corner, US-377 and SH-99 south will join Highway 3 briefly as we head out of town. There is no access to 377/99 north from … Continue reading Oklahoma State Highway 3, OK-1 to US-377/OK-99