What does NB mean on an oversize permit?
Northbound. Northbound. SB southbound, EB eastbound, WB westbound. A lone N, S, E or W after a route means the same.
Also printed as N/B, SB, S/B, EB, E/B, WB, W/B.
On real permits
| Printed | Means | State |
|---|---|---|
| I-40 WB | Interstate 40, westbound | Arkansas |
| AR-38 SB | Arkansas Highway 38, southbound | Arkansas |
| US-70 WB | U.S. Highway 70, westbound | Arkansas |
| I-440 SWB | Interstate 440, southwest-bound | Arkansas |
| US-167 SWB | U.S. Highway 167, southwest-bound | Arkansas |
| AR-283 NWB | Arkansas Highway 283, northwest-bound | Arkansas |
| I-30 WB | Interstate 30, westbound | Arkansas |
| E/B 080 | Eastbound Interstate 80 (how the restriction notes write it) | California |
| GATEWAY DR W/B ON RAMP | The westbound on-ramp from Gateway Drive, where the route starts | California |
| U.S. 285 | U.S. Route 285 | Colorado |