Maryland
| Red & White |
All Emergency Vehicles (Police, Fire & Medical) Privately owned vehicles of fire chiefs or highest ranking fireline officer, assistant/deputy chief, EMS commander, fire police HAZMAT Spill Response |
| Blue | Police |
| Green | Taxicabs (non-emergency) |
| Amber |
Service Vehicles Rural Letter Carrier Vehicles Slow Moving Farm Vehicles Tow Trucks |
Links
� 22-218. Audible and visual signals on vehicles
Maryland Code