| Aspect | Overnight Class B Tanker Driver | Overnight Class A Tanker Driver |
|---|
| Required Certifications | Commercial Driver's License (CDL) with Tanker endorsement | CDL with Tanker endorsement, often more experience or additional endorsements |
| Work Environment | Local deliveries, often within a city or region, overnight shifts | Longer hauls, regional or national routes, may include overnight trips |
| Industry Usage | Transporting liquids or gases in smaller tankers, often for local businesses | Transporting larger quantities, including hazardous materials, over longer distances |
In summary, Overnight Class B Tanker Drivers typically handle local, smaller tankers with a CDL and tanker endorsement, focusing on overnight regional deliveries. Overnight Class A Tanker Drivers often operate larger, more complex tankers over longer distances, requiring similar certifications but with additional experience or endorsements. The main differences lie in the size of the vehicle, scope of routes, and work environment.