South Carolina Highway 277 (SC 277) is a state highway in the U.S. state of South Carolina that runs 8.1 miles (13.0 km) from I-77 (Exit 18) between Killian and Dentsville in Richland County to US 76 (Elmwood Avenue) in downtown Columbia. For most of its length, it is a controlled access freeway (motorway) conforming to interstate standards. The highway serves as a spur into Columbia from its northeastern suburbs and from intercity traffic traveling from I-77 and I-20. The freeway portion of SC 277 is called the Northeastern Freeway or I. DeQuincey Newman Freeway while the 0.7 (1.1 km) miles of surface street is part of Bull Street.