SOUTHWEST TRAFFIC SIGNAL SERVICE INC

USDOT 2654686 · El Cajon, CA · Underwriter-grade risk snapshot

Operating statusActive

Lead priorityUnknown

Fleet9 power units · 30 drivers (9 trucks)

OperationC · PRIVATE PROPERTY

Current insurer—

Crashes / Inspections (24 mo)0 / 10

	Vehicle	Driver
This carrier	30.0% (3/10)	0.0% (0/10)
National average	22.3%	6.7%

⚠️ Above national average. Carriers with high OOS rates face premium surcharges and are more likely to shop for new insurance.

Address1855 JOHN TOWERS AVE
EL CAJON CA 92020

DBASOUTHWEST SIGNAL SERVICE

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Power units9

Drivers30 (2 CDL)

MCS-150 mileage120,000 (2024)

MCS-150 filedApr 3, 2025

HazmatN

Cargoother, general freight

Total inspections10

Out-of-service6

Vehicle OOS rate60.0%

Driver OOS rate0.0%

Total violations22

OOS violations0

Total crashes0

Fatal crashes0

Injuries0

Insurance agent? SOUTHWEST TRAFFIC SIGNAL SERVICE INC — get the full CA lead list.

Data as of Thu Oct 15 2026 00:00:00 GMT+0000 (Coordinated Universal Time). Source: FMCSA public filings, refreshed daily by Insight Carrier.