What does BL mean on an oversize permit?
Business Loop. An Interstate business loop through a town's business district: BL-10 leaves I-10, runs through town and rejoins it.
Also printed as BI.
On real permits
| Printed | Means | State |
|---|---|---|
| BL-10 | Interstate 10 Business Loop (the exit sign says BUS LP I-10) | New Mexico |