Location: Broken Arrow Expy and US-75, Tulsa Reassurance shield as 64/51 splits from the Tulsa loop and the Broken Arrow Expressway begins Location: Broken Arrow Expy and 21st St, Tulsa Reassurance shield after the 21st St interchange Location: Broken Arrow Expy and Harvard Ave, Tulsa Reassurance shield after Harvard Avenue Location: Broken Arrow Expy and … Continue reading Oklahoma State Highway 51, I-444/US-75 to I-44/OK-66