| State | Status | State Law |
|---|---|---|
| South Dakota | 🟥 | (1) 2019 SD H 1068 (2019) “Authorizes the Transportation Commission to promulgate rules to allow certain motor vehicles to follow another motor vehicle on a state highway more closely than otherwise permitted by law.” Version: Enacted. |
| Explanation of State Law | Failed Legislation | Testing |
| - | - | - |
| Testing Requirements | Oversight Department | Infrastructure Developments |
| - | - | - |
| Crashes/Safety Incidents | Liability/Insurance Requirements | |
| - | - |