Location: US-278 and Hwy 200, Rosston Reassurance shield after the 200 junction. Location: US-278 and US-371, Rosston As we head out of Rosston, US-278 will split to head east to Camden. Stay on US-371 for Magnolia. S to AR-76, N to US-278 E to AR-76, W to US-371 E to AR-76, W to AR-200 E … Continue reading U.S. Route 371, AR-200 to US-278