Dda Transport Inc
USDOT 662207 · MC-742903 · Londonderry, New Hampshire · Interstate for-hire carrier · 100–249 power units
Dda Transport Inc (dba Dda Professional Truck Services Leasing and Transport) is a company based in Londonderry, New Hampshire, registered with the FMCSA as an interstate carrier (private property, authorized for hire). It reports 157 power units and 186 drivers, which ranks it #6 by fleet size among 23 active for-hire carriers with 50+ power units headquartered in New Hampshire. In the 24 months to Sep 24, 2026 its trucks were inspected 153 times – about 1.0 inspections per power unit. 27.9% of vehicle inspections and 4.6% of driver inspections ended with an out-of-service order, against 18.8% and 2.6% for carriers of the same size nationally. FMCSA records 7 reportable crashes in the last 24 months (3 injuries, 0 fatalities, 7 tow-away), or 4.5 per 100 power units versus 4.5 for its size band. Crash counts in FMCSA data do not indicate fault. Its registered cargo types are general freight, logs, poles, beams, lumber, building materials, fresh produce, meat, us mail, refrigerated food, paper products and more.
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Registration and contact
| Legal name | Dda Transport Inc |
|---|---|
| DBA name | Dda Professional Truck Services Leasing and Transport |
| USDOT number | 662207 |
| Operating authority (docket) | MC-742903 |
| Entity type | Private Property, Authorized for Hire |
| Operation | Interstate |
| Business type | — |
| Physical address | 11 Navigator Rd, Londonderry, NH 03053 |
| Phone | (603) 647-4838 |
| First registered | Oct 8, 1996 |
| Last MCS-150 update | Jun 10, 2026 |
| Hazmat carrier | No |
Check live authority, insurance and out-of-service status: FMCSA SAFER snapshot for USDOT 662207.
Fleet and drivers
| Equipment | Owned | Term-leased | Trip-leased |
|---|---|---|---|
| Straight trucks | 43 | 8 | 0 |
| Truck tractors | 86 | 20 | 0 |
| Trailers | 117 | 0 | 0 |
- 1.18 drivers per power unit (national median for 50+ unit fleets: 0.99).
- 1.1 trailers per tractor.
- 6,500,000 miles reported for 2026 – about 41,401 miles per power unit vs a 41,613 median for 100–249-unit fleets.
- 90% of listed equipment is owned rather than leased.
- 186 CDL drivers; 121 drivers operate interstate beyond 100 miles, 65 within 100 miles.
Safety record
Roadside inspections Sep 25, 2024 – Sep 24, 2026; crashes Nov 1, 2024 – Oct 31, 2026. Benchmarks: 100–249-unit for-hire carriers nationally (2,611) and New Hampshire carriers with 50+ units (23).
| Measure | Dda Transport Inc | Same size, US | NH average | |
|---|---|---|---|---|
| Vehicle out-of-service rate | 27.9% | 18.8% | 16.3% | 48% higher than average |
| Driver out-of-service rate | 4.6% | 2.6% | 2.2% | 75% higher than average |
| Crashes per 100 power units | 4.5 | 4.5 | 2.5 | about average |
| Inspections | 153 | 153 with a driver check, 61 with a vehicle check, 122 BASIC violations recorded | ||
| FMCSA safety rating | Not rated – most carriers have never had a compliance review; this is not a negative finding. | |||
Cargo carried
Less common in this directory: us mail (612 of 5,000 carriers).
Similar carriers in New Hampshire
Closest fleet size and cargo mix among New Hampshire carriers in this directory.
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| Ross Express LLC USDOT 86179 | Boscawen | 234 | 226 | 216 | 16.7% | 15 |
| Poultry Products Company of New England LLC USDOT 106078 | Londonderry | 77 | 62 | 57 | 0.0% | 3 |
| Manchester Motor Freight Inc USDOT 164867 | Manchester | 80 | 80 | 53 | 39.3% | 4 |
| Severino Trucking Company Inc USDOT 1065195 | Candia | 71 | 94 | 18 | 0.0% | 4 |
| Irving Energy US LLC USDOT 4575524 | Portsmouth | 314 | 180 | 13 | 0.0% | 0 |
| Waste Management of Londonderry Inc USDOT 1704642 | Londonderry | 75 | 72 | 32 | 11.8% | 1 |
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FAQ
What is the USDOT number of Dda Transport Inc?
Dda Transport Inc is registered with USDOT number 662207 and operating authority MC-742903.
How many trucks does Dda Transport Inc have?
It reports 157 power units (106 tractors, 51 straight trucks) and 117 trailers, with 186 drivers, on its last MCS-150 update (Jun 10, 2026).
Where is Dda Transport Inc located?
Its registered physical address is in Londonderry, New Hampshire 03053.
What is the out-of-service rate of Dda Transport Inc?
Over 24 months, 27.9% of vehicle inspections and 4.6% of driver inspections resulted in an out-of-service order (same-size national average: 18.8% vehicle, 2.6% driver).
Source: FMCSA Company Census File, SMS inspection file and Crash File (data.transportation.gov), refreshed 2026-11-04. Figures are as reported to FMCSA and may lag. How we calculate these numbers. Spotted an error? Carriers update their record with FMCSA via the MCS-150 form; see corrections.