ADELPHI MD
Roadside inspection site in Maryland • 416 inspections on record
About This Inspection Site
ADELPHI MD is a roadside inspection location in Maryland where FMCSA-certified inspectors conduct safety inspections of commercial motor vehicles under the Motor Carrier Safety Assistance Program (MCSAP). This site has conducted 416 recorded inspections from Jan 1, 2020 to Mar 21, 2026.
A total of 376 unique carriers have been inspected at this site. The average number of violations per inspection is 2.3. The out-of-service rate is 32.9%, meaning a significant portion of inspected vehicles or drivers are placed out of service for safety deficiencies.
Inspections follow CVSA (Commercial Vehicle Safety Alliance) North American Standard procedures and may include weight checks, credential verification, mechanical inspection, hours-of-service compliance review, and hazardous materials documentation checks. Vehicles or drivers that fail critical safety criteria are placed out of service until deficiencies are corrected.
The most frequently cited violation at this site is Operating a CMV while ill or fatigued (Unsafe Driving) with 212 citations, followed by Operating a CMV while ill or fatigued (39 citations). A total of 100 distinct violation codes have been cited at this location.
Inspection Level Breakdown
416 inspections by CVSA level
Top Violations
100 violation codes cited at this site (page 1 of 2)
| # | Code | Description | BASIC Category | Citations | OOS | OOS % |
|---|---|---|---|---|---|---|
| 1 | 392.2-SLLTCD | Operating a CMV while ill or fatigued | Unsafe Driving | 212 | 0 | — |
| 2 | 392.2-SLLSR | Operating a CMV while ill or fatigued | Unsafe Driving | 39 | 0 | — |
| 3 | 396.17C-PI | No proof of periodic inspection | Vehicle Maintenance | 38 | 0 | — |
| 4 | 393.9A-LIL | Inoperable required lamps | Vehicle Maintenance | 34 | 0 | — |
| 5 | 391.41APC | Medical (Certificate) - Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency | Driver Fitness | 29 | 29 | 100.0% |
| 6 | 392.2 | Operating a CMV while ill or fatigued | Unsafe Driving | 29 | 0 | — |
| 7 | 390.21TB2-DOT | 390.21TB2-DOT | General/Admin | 17 | 0 | — |
| 8 | 393.75A3-TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | 17 | 17 | 100.0% |
| 9 | 393.45B2-B-AIR | Brake tubing/hoses inadequate | Vehicle Maintenance | 16 | 0 | — |
| 10 | 393.9A-LTSI | Inoperable required lamps | Vehicle Maintenance | 16 | 16 | 100.0% |
| 11 | 393.100B-C | Cargo securement - aggregate working load | Vehicle Maintenance | 14 | 14 | 100.0% |
| 12 | 393.9A-LLPL | Inoperable required lamps | Vehicle Maintenance | 13 | 0 | — |
| 13 | 393.75G-TAOW | Tires - All others weight carried exceeds tire load limit | Vehicle Maintenance | 13 | 13 | 100.0% |
| 14 | 393.95A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | 13 | 0 | — |
| 15 | 393.11A1-LLPL | Lighting devices/reflectors | Vehicle Maintenance | 13 | 0 | — |
| 16 | 383.23A2-LCDLN | License (CDL) - Operate a CMV and does not possess a valid CDL | Driver Fitness | 12 | 12 | 100.0% |
| 17 | 393.60C | Glazing/window obstructions | Vehicle Maintenance | 12 | 0 | — |
| 18 | 393.9A-LHWS | Inoperable required lamps | Vehicle Maintenance | 12 | 0 | — |
| 19 | 390.21TB1-MC | 390.21TB1-MC | General/Admin | 11 | 0 | — |
| 20 | 393.95F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | 11 | 0 | — |
| 21 | 393.9A-LCL | Inoperable required lamps | Vehicle Maintenance | 10 | 0 | — |
| 22 | 393.60D | Glazing/window obstructions | Vehicle Maintenance | 10 | 0 | — |
| 23 | 393.9A-LFTSI | Inoperable required lamps | Vehicle Maintenance | 10 | 0 | — |
| 24 | 393.75C-TAOTD-LT2/32 | Tire tread depth insufficient (other axles) | Vehicle Maintenance | 10 | 0 | — |
| 25 | 393.47E | Slack adjuster defective | Vehicle Maintenance | 8 | 0 | — |
| 26 | 393.11A1-LCHL | Lighting devices/reflectors | Vehicle Maintenance | 7 | 0 | — |
| 27 | 392.16-D | Failing to use seat belt (49 CFR) | Unsafe Driving | 7 | 0 | — |
| 28 | 391.41A-MCPC | Physical qualification - general | Driver Fitness | 7 | 0 | — |
| 29 | 392.2-SLLEWG3 | Operating a CMV while ill or fatigued | Unsafe Driving | 7 | 0 | — |
| 30 | 390.19B2-BIENNIAL | 390.19B2-BIENNIAL | General/Admin | 6 | 0 | — |
| 31 | 393.43DBMA | Brake - relay emergency valve | Vehicle Maintenance | 6 | 6 | 100.0% |
| 32 | 395.8A1-HOSP | HOS (Property) - Failing to have a record of duty status using the method prescribed | Hours of Service | 6 | 6 | 100.0% |
| 33 | 393.9A-LRLI | Inoperable required lamps | Vehicle Maintenance | 6 | 0 | — |
| 34 | 393.11A1-LIL | Lighting devices/reflectors | Vehicle Maintenance | 6 | 0 | — |
| 35 | 393.9A-LHLI | Inoperable required lamps | Vehicle Maintenance | 6 | 0 | — |
| 36 | 393.9(a) | Inoperable required lamps | Vehicle Maintenance | 5 | 1 | 20.0% |
| 37 | 393.75A1-TEPBM | Tires - All others - Exposed ply or belt material in tread or sidewall area | Vehicle Maintenance | 5 | 0 | — |
| 38 | 392.2-SLL | Operating a CMV while ill or fatigued | Unsafe Driving | 5 | 0 | — |
| 39 | 393.9A-LSLI | Inoperable required lamps | Vehicle Maintenance | 5 | 0 | — |
| 40 | 393.75C-TAOTD-LT1/32 | Tire tread depth insufficient (other axles) | Vehicle Maintenance | 5 | 5 | 100.0% |
| 41 | 393.95A4-EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | 5 | 0 | — |
| 42 | 392.2-SLLDL | Operating a CMV while ill or fatigued | Unsafe Driving | 5 | 0 | — |
| 43 | 391.11B2-Q | Driver cannot satisfy the English language proficiency requirements of 391.11(b)(2) as per FMCSA Enforcement Guidance Memo MC-SEE-2025-0001. Driver failed the I | Driver Fitness | 5 | 5 | 100.0% |
| 44 | 393.41-BNPB | Brake - Inoperative or missing parking brake on power unit | Vehicle Maintenance | 5 | 5 | 100.0% |
| 45 | 392.2-SLLMF | Operating a CMV while ill or fatigued | Unsafe Driving | 4 | 0 | — |
| 46 | 395.30B1-ELDDFR | HOS (ELD) - Driver failing to review records and certify the accuracy of the information. | Hours of Service | 4 | 0 | — |
| 47 | 395.8E-HOSPD | False record of duty status | Hours of Service | 4 | 0 | — |
| 48 | 396.5B-L | Fuel system leak | Vehicle Maintenance | 4 | 0 | — |
| 49 | 392.9BA-INACTIVE | 392.9BA-INACTIVE | Unsafe Driving | 4 | 4 | 100.0% |
| 50 | 391.41B10-MC | Medical (Certificate) - Operating a commercial vehicle without corrective lenses or hearing aid as indicated on the driver's medical certificate | Driver Fitness | 4 | 4 | 100.0% |
Top Carriers Inspected
20 most frequently inspected carriers at this site
| # | Carrier | USDOT | State | Inspections |
|---|---|---|---|---|
| 1 | RIVERS CONSTRUCTION GROUP LTD | 1759181 | MD | 4 |
| 2 | PIECE OF CAKE MOVING + STORAGE LLC | 3066988 | NY | 3 |
| 3 | BRY'S LAWN CARE AND LANDSCAPING LLC | 1558843 | MD | 3 |
| 4 | GIANT OF MARYLAND LLC | 110018 | MD | 3 |
| 5 | U S TRANSPORTATION LLC | 48357 | WI | 2 |
| 6 | ECM CORPORATION | 2355159 | MD | 2 |
| 7 | ELITE MACHINES MD LLC | 3566005 | MD | 2 |
| 8 | UNIFIED DOOR AND HARDWARE GROUP LLC | 2585437 | NJ | 2 |
| 9 | NEW PRIME INC | 3706 | MO | 2 |
| 10 | LINDE INC | 332037 | NY | 2 |
| 11 | RIDGEWELLS INC | 377527 | MD | 2 |
| 12 | COSTCO WHOLESALE CORPORATION | 589006 | WA | 2 |
| 13 | NEW BERN TRANSPORT CORPORATION | 692947 | NY | 2 |
| 14 | USA TREE SERVICES INC | 3062742 | MD | 2 |
| 15 | PITT OHIO EXPRESS LLC | 190180 | PA | 2 |
| 16 | DEALER TIRE LLC | 1263176 | OH | 2 |
| 17 | MURPHY'S HAULING SERVICE INC | 511692 | PA | 2 |
| 18 | MAVIS TIRE SUPPLY LLC | 940364 | NY | 2 |
| 19 | SITEONE LANDSCAPE SUPPLY LLC | 1027143 | GA | 2 |
| 20 | AVID SERVICES LLC | 2250034 | MD | 2 |
Recent Inspections
416 inspections at this site (page 1 of 17)