SOUTHWEST TRAFFIC SIGNAL SERVICE INC
USDOT 2654686 · Doing business as SOUTHWEST SIGNAL SERVICE
Active, intrastate (non-hazmat) carrier, small fleet (9 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate22.2% vs 19.1% national avg
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 2654686 |
|---|---|
| MC Number | — |
| Legal Name | SOUTHWEST TRAFFIC SIGNAL SERVICE INC |
| DBA Name | SOUTHWEST SIGNAL SERVICE |
| Entity Type | — |
| Phone | 6194423343 |
| Address | 1855 JOHN TOWERS AVE, El Cajon, CA, 92020 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Intrastate (Non-Hazmat) |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 9 |
|---|---|
| Out-of-Service Rate | 22.2% vs 19.1% national average |
Most frequent violation categories: 30 (4), 51 (4), 20 (3).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 9 |
|---|---|
| Drivers | 30 |
| Recent Annual Mileage | 120,000 |
| Last MCS-150 Filing | 03-APR-25 |
SOUTHWEST TRAFFIC SIGNAL SERVICE INC operates 9 power units — a larger fleet than 96% of carriers registered in CA.
Nearby
Other carriers in El Cajon, CA
- LUXURY HOME FURNITURE — USDOT 3108928, 50000 power units
- PACIFIC GYPSUM SUPPLY INC — USDOT 2634473, 77 power units
- GROSSMONT UNION HIGH SCHOOL DISTRICT — USDOT 2654138, 77 power units
- CASS CONSTRUCTION INC — USDOT 2729090, 67 power units
- SYCUAN BAND OF THE KUMEYAAY NATION — USDOT 2729696, 58 power units
Browse all carriers in El Cajon, CA or all CA carriers.