Carrier profile · USDOT 2654686 · FMCSA data fetched 2026-11-03
SOUTHWEST TRAFFIC SIGNAL SERVICE INC
DBA SOUTHWEST SIGNAL SERVICE
9 power units30 driversIntrastate non-hazmatEL CAJON, CA
Census status Active (A)
Official links FMCSA SAFER
← Back to overviewOperations · USDOT 2654686
04
Operations
Source: FMCSA Company Census (az4n-8mr2) · raw queryDataset updated not reportedFetched 2026-11-03 11:48 UTC
Carrier operation
Intrastate non-hazmat (C)
Classification: PRIVATE PROPERTY
MCS-150 mileage
120,000 mi
Reported year 2024
Cargo classifications checked
- General freight
- Building materials
- Construction
- Other
- Interstate drivers >100 mi / ≤100 mi
- 0 / 0
- Intrastate drivers >100 mi / ≤100 mi
- 0 / 30
- Hazmat indicator (hm_ind)
- N
- Registered address
- 1855 JOHN TOWERS AVE, EL CAJON, CA, 92020, US
Lanes and service areas are not published by FMCSA. The registered address is not an operating map, and inspection states are observations only — not live routes or a service area.