Six business routes of Arkansas Highway 1 currently exist, with one spur route.[1] Each of the routes is a former alignment of Arkansas Highway 1, which is common practice.
| State: | AR |
| Route: | 1 |
| Type: | AR-Bus |
| Length Mi: | 2.13 |
| Length Round: | 2 |
| Location: | DeWitt |
Arkansas Highway 1 Business is a business route in DeWitt. It is 2.13miles in length.
| State: | AR |
| Route: | 1 |
| Type: | AR-Spur |
| Length Mi: | 0.49 |
| Length Round: | 2 |
| Location: | St. Charles |
Arkansas Highway 1 Spur is a spur route in St. Charles. Known locally as River View Drive, the route is 0.49miles in length. The highway ends at the location of the Battle of Saint Charles on the White River.[2]
| State: | AR |
| Route: | 1 |
| Type: | AR-Bus |
| Length Mi: | 1.55 |
| Length Round: | 2 |
| Location: | Marianna |
Highway 1 Business is a business route in Marianna. It is 1.55miles in length, and two-lane undivided.
| State: | AR |
| Route: | 1 |
| Type: | AR-Bus |
| Length Mi: | 7.96 |
| Length Round: | 2 |
| Location: | Forrest City |
Arkansas Highway 1 Business is a business route in Forrest City. It is 7.96miles in length. The highway runs near Forrest City High School.[3]
| State: | AR |
| Route: | 1 |
| Type: | AR-Bus |
| Length Mi: | 1.06 |
| Length Round: | 2 |
| Location: | Vanndale |
Arkansas Highway 1B is a business route (formerly signed as AR 1C, a city route) in Vanndale. It is 1.06miles in length.
| State: | AR |
| Route: | 1 |
| Type: | AR-Bus |
| Length Mi: | 1.10 |
| Length Round: | 2 |
| Location: | Cherry Valley |
Arkansas Highway 1 Business is a business route in Cherry Valley. It is 1.1miles in length.
| State: | AR |
| Route: | 1 |
| Type: | AR-Bus |
| Length Mi: | 4.03 |
| Length Round: | 2 |
| Location: | Jonesboro |
Arkansas Highway 1 Business is a business route serving downtown Jonesboro. It is 4.03miles in length and known as Harrisburg Road.