Keller Bus Service
Keller Transportation Inc · Waldorf, Maryland · Carrier number 32700
102
power units
102
power units
Keller Bus Service is a passenger carrier based in Waldorf, Maryland with 102 power units and 64 drivers as reported. In the 24 months to Sep 30, 2026 it had 5 reportable crashes (4.90 per 100 power units vs 2.98 for all carriers).
Updated Oct 11, 2026 · crashes and inspections to Sep 30, 2026
Power units
102
Drivers
64
64 with commercial license
Crashes, 24 mo
5
0 fatal
Per 100 trucks
4.90
All carriers: 2.98
Vehicles out of service
0.0%
All inspections: 22.8%
Inspections, 24 mo
116
92% with no violation
Compared with other carriers
Crash rate over 24 months per 100 power units, and the share of roadside inspections that took the vehicle or driver off the road
| Crashes / 100 trucks | Vehicles OOS | Drivers OOS | |
|---|---|---|---|
| Keller Bus Service | 4.90 | 0.0% | 0.0% |
| Carriers with 10+ trucks in MD | 2.65 | 17.2% | 5.7% |
| Carriers with 10+ trucks, US | 2.98 | 19.3% | 3.6% |
| All roadside inspections | - | 22.8% | 6.4% |
Lower is better. Carriers that drive more miles per truck can have more crashes per truck.
Crashes, 24 months
0 people killed and 13 injured
- Fatal0
- Injury4
- Tow-away1
Roadside inspections, 24 months
Inspections and how many ended out of service
| Kind | Inspections | Out of service | Rate |
|---|---|---|---|
| Driver | 10 | 0 | 0.0% |
| Vehicle | 116 | 0 | 0.0% |
Carrier facts
- Carrier number
- 32700
- Based in
- Waldorf, Maryland
- Registered
- Jun 1, 1974
- Operation
- Across state lines
- Carries
- Passengers
- Authority for hire
- Active
- Safety rating
- Satisfactory (Feb 6, 2024)
- Miles driven
- 2.28 million (2023)
- Type
- For hire, Private passenger business, Private passenger nonbusiness
- Cargo
- Passengers
- Last update filed
- Sep 30, 2026
Questions and answers
How many trucks does Keller Bus Service have?
Keller Bus Service reports 102 power units (trucks, tractors and buses) and 64 drivers, 64 of them with a commercial license. Its trucks drove 2.28 million miles in 2023.
Is Keller Bus Service a safe carrier?
In 24 months Keller Bus Service had 5 reportable crashes, 4.90 per 100 power units (above the 2.98 of all carriers with 10+ trucks). 0.0% of its vehicle inspections took the truck off the road (all inspections: 22.8%). Its latest official safety rating is Satisfactory (Feb 6, 2024). A crash record does not say who caused the crash.
Reportable crashes of trucks and buses: a death, an injury or a vehicle towed away. A crash record does not say who caused the crash. Recent months can still grow as late reports arrive. Out-of-service rate: the percent of roadside inspections that took the driver or the vehicle off the road until a serious problem was fixed. Carriers with few inspections have rates that swing a lot. Fleet, drivers and miles as the carrier reported them. Official public data, updated daily.