Avenue West) in downtown Guin. At this intersection, SR 118 turns south onto US 278 west, and US 43 and SR 171 turn north onto US 278 east; the three highways travel to the north-northwest. Between Guin and Hamilton, they have an interchange with I-22/US 78. They cross over the Buttahatchee River as they enter Hamilton. They intersect SR 17 south of the downtown area. At this intersection, SR 171 ends and SR 17 joins the US 43/US 278 concurrency. At Bexar Avenue West, US 278 turns east, while US 43 and SR 17 continue to the north. The highways curve back to the northeast and intersect the southern terminus of SR 187. They enter Hackleburg and in the main part of town is an intersection with SR 172 and the southern terminus of SR 253 (Clay Street). They then continue to the north and intersect SR 13 for a second time northwest of Phil Campbell. They enter Russellville and have an interchange with SR 24. The three highways head to the north and pass the King Drive-In theater, the oldest, continually-operating theater in the state. They travel northeast through Littleville and then northwest towards Tuscumbia. They have an intersection with US 72 (unsigned SR 2), US 72 Alt., and SR 20. At this intersection, US 72 Alternate ends, while US 72 and SR 20 join the US 43/SR 13/SR 17 concurrency. The five highways continue to the north, briefly travel through Tuscumbia proper before traveling along the Tuscumbia–Muscle Shoals city line. On the Muscle Shoals–Sheffield city line, the highways intersect East 2nd Street, which carries SR 184 east of the intersection. They then pass administration offices of the Tennessee Valley Authority (TVA). Then, they cross over the Tennessee River on the O'Neal Bridge and enter Lauderdale County. The US 43/US 72/SR 13/SR 17/SR 20 concurrency immediately enters Florence. It has an incomplete interchange where SR 20 leaves the concurrency to the west-southwest on Coffee Road. There is no direct access from SR 20 to US 43 north/US 72 east/SR 13 north/SR 17 north. The highways pass near University of North Alabama's main campus and travel to the northeast. There is an interchange with SR 157 (Helton Drive). At this interchange, SR 17 departs the concurrency and heads northwest with SR 157. After that, they intersect SR 133 (Cox Creek Parkway). Just west-southwest of Killen, US 72 continues to the