South Carolina Highway 903
# South Carolina Highway 903

South Carolina Highway 903 (SC 903) is a 27.090-mile (43.597 km) primary state highway in the U.S. state of South Carolina. It connects Lancaster to Darlington, Florence, and the Grand Strand.

## Route description

SC 903 is a two-lane rural highway, from Catarrh to Lancaster. Control cities listed southbound include Myrtle Beach.

## History

Established either in 1929 or 1930 as a new primary routing, it traversed from SC 35 in Catarrh to SC 9 in Midway. In 1949, SC 903 was extended north to its current northern terminus in Lancaster, replacing an old alignment of SC 9.

## Major intersections

| County | Location | mi | km | Destinations | Notes |
| - | - | - | - | - | - |
| Chesterfield | Catarrh | 0.000 | 0.000 | SC 151 / Catarrh Road – Jefferson, McBee, Darlington, Myrtle Beach | Southern terminus |
| Kershaw | ​ | 2.370 | 3.814 | SC 346 south (Raleys Mill Road) / Holley Road | Northern terminus of SC 346 |
| Lancaster | ​ | 8.890 | 14.307 | SC 265 (Old Jefferson Highway) – Kershaw, Jefferson | |
| Lancaster | Midway | 10.830 | 17.429 | US 601 north (Gold Mine Highway) – Pageland | Southern end of US 601 concurrency |
| Lancaster | Midway | 10.910 | 17.558 | US 601 south (Gold Mine Highway) – Kershaw | Northern end of US 601 concurrency |
| Lancaster | Primus | 18.690 | 30.079 | SC 522 (Rocky River Road) – Heath Springs | |
| Lancaster | Lancaster | 25.910– 25.913 | 41.698– 41.703 | US 521 (Lancaster Bypass) – Kershaw, Rock Hill, Chester | Interchange |
| Lancaster | Lancaster | 27.090 | 43.597 | US 521 Bus. / SC 200 (Main Street) | Northern terminus |
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus ||||||
