DBA: Keller Bus Service
Keller Transportation Inc is an active interstate carrier based in Waldorf, MD.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Buses (16+) | 99 | 0 | 0 |
| Total Power Units | 99 | ||
Distinct vehicles · 24 mo
vs 99 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 23% | 73% | Better than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 0 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 4 | 1 | 1 |
| Oct 1, 2024 | 0 | 2 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 6 | 1 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Aug 7, 2025 | DC | BUS | 0 | 0 |
| Aug 4, 2025 | DC | BUS | 0 | 0 |
| Aug 4, 2025 | DC | BUS | 0 | 0 |
| Jul 15, 2025 | MD | MOTOR COACH | 0 | 0 |
| Jul 15, 2025 | MD | MOTOR COACH |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 6 | 0.10 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
Where they run
Inspected in 2 states. Top state MD accounts for 97% of activity. Activity outside home state (MD): 3%.
| 0 |
| 0 |
| Jul 15, 2025 | MD | MOTOR COACH | 0 | 0 |
| Jul 15, 2025 | MD | MOTOR COACH | 0 | 0 |
| Jul 15, 2025 | MD | MOTOR COACH | 0 | 0 |
| Jul 15, 2025 | MD | MOTOR COACH | 0 | 0 |
| Jul 15, 2025 | MD | MOTOR COACH | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jan 16, 2025 | 39345DBAAL | Air Brake - Audible air leak at other than a proper connection | Vehicle Maintenance | — |
| Jan 14, 2025 | 3965BL | Lubrication - Oil or grease leak | Vehicle Maintenance | — |
| Jan 13, 2025 | 3965BL | Lubrication - Oil or grease leak | Vehicle Maintenance | — |
| Jan 9, 2025 | 3965BL | Lubrication - Oil or grease leak | Vehicle Maintenance | — |
| Jan 9, 2025 | 3965BL | Lubrication - Oil or grease leak | Vehicle Maintenance | — |
| Oct 23, 2024 | 3939ALHLI | Lighting - Headlamp(s) - Any inoperative | Vehicle Maintenance | — |