ST
SOUTHWEST TRAFFIC SIGNAL SERVICE INC
DOT 2654686ActiveIntrastate Non-HazmatEL CAJON, CA
COMPANY
Authority since
—
MCS-150
2025-04-03 · 120,000 mi (2024)
Fleet
9 units · 7 trailers · 30 drivers
ADDRESS
Physical
1855 JOHN TOWERS AVE
EL CAJON, CA 92020
EL CAJON, CA 92020
Mailing
PO BOX 1297
EL CAJON, CA 92022
EL CAJON, CA 92022
CONTACT
Phone
6194423343
Email
rclark@southwestsignal.com
OFFICERS
Primary Officer
RYAN T CLARK
Title
PRESIDENT & GENERAL MANAGER
OPERATION & CARGO
Operation classification
Private Property
Specialty
Construction & Building Materials
Cargo types
4
General FreightBuilding MaterialsConstructionOther
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads.
AUTHORITY
—
Active authority
INSURANCE
None
No coverage on file
RISK GRADE
Elevated Risk
3 risk factors · 1 strengths
OOS RATE
26.7%
4 / 15 inspections
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections Checking local VIN index…
Elevated Risk
57/100 risk points3 risk factors · 1 strengths · 4 data pointsmedium confidenceWeighted heuristic: crashes are decayed by recency and normalized per 100 power units, out-of-service and violation rates use a rolling 24-month window, plus FMCSA BASIC alerts and the CarrierIntel Safety Score (which also decays when compliance has not been verified by a recent inspection). Not the official FMCSA SMS score.
SAFETY PERFORMANCE
Crash Record
1 crashes · 0 fatal · 0 with injuries · 1 tow-away
Clean Inspection Rate
73% — 11 clean of 15 inspections
Out-of-Service Rate
26.7% — driver OOS 0, vehicle OOS 4
COMPLIANCE & AUTHORITY
Operating Authority
Active operating authority on file
Authority Events
No authority history events
MCS-150 Filing
Last filed 2025-04-03
INSURANCE
Active Coverage
No active insurance policies on file
SUMMARY
High OOS rate 30% (last 24 mo)
3.2 violations per inspection
No active insurance on file
No crashes in the last 24 months
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