North Carolina Highway 147 (NC 147) is a primary state highway in the U.S. state of North Carolina. The highway is an 8.1-mile-long (13.0 km) freeway through Durham running roughly southeast to northwest; the entire route lies within the city limits. To the southeast, it connects the city to the Research Triangle Park. NC 147 is the northern half of the Durham Freeway, which continues south onto Interstate 885 (I-885). The route is the main arterial through Durham, running alongside its downtown. It begins at a semi-directional T interchange with I-885 southeast of downtown Durham and runs northwest-southeast before merging into I-85 northwest of downtown Durham.