South Carolina Highway 340
# South Carolina Highway 340

South Carolina Highway 340 (SC 340) is a 10.990-mile-long (17.687 km) state highway in the U.S. state of South Carolina. The highway connects the Timmonsville area with Darlington.

## Route description

SC 340 begins at an intersection with SC 403 (Oates Highway) north-northwest of Timmonsville, within Darlington County. It travels to the northeast and crosses Middle Swamp and Myrtle Branch before an interchange with Interchange 20 (I-20). It crosses over Jeffries Creek and High Hill Creek before entering the city limits of Darlington. There, it intersects U.S. Route 52 (US 52; Governor Williams Highway). It crosses some railroad tracks before it meets its northern terminus, an intersection with SC 34 (Pearl Street).

## Major intersections

The entire route is in Darlington County.

| Location | mi | km | Destinations | Notes |
| - | - | - | - | - |
| ​ | 0.000 | 0.000 | SC 403 (Oates Highway) – Timmonsville, Hartsville | Southern terminus |
| ​ | 3.940 | 6.341 | I-20 – Columbia, Florence | I-20 exit 137 |
| Darlington | 10.240 | 16.480 | US 52 (Governor Williams Highway) to SC 34 – Bennettsville, Cheraw, Florence | |
| Darlington | 10.990 | 17.687 | SC 34 (Pearl Street / SC 151) – Bishopville, Dillon | Northern terminus |
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi |||||
