Robert Mendes
MobileOBD
Clean Truck Check in Modesto, CA
22 credentialed testers in Modesto.
Testers in Modesto
A&B Truck repair, Inc.
TERRY MARBLE
MobileOBDOVIOVI tests are required for 2012 and older enginesMotor Home
Trucking activity in Stanislaus County
Clean Truck Check applies to heavy-duty vehicles that operate in California — including out-of-state trucks based here that run loads west.
Trucking establishments
385
Trucking employees
2,739
Source: FMCSA MCMIS carrier census, US Census County Business Patterns 2021.
Nearby truck stops
OpenStreetMap-tagged truck stops, services areas, and HGV-marked fuel stations within 25 miles of Modesto. Useful for routing a service stop around your CTC test.
- Love's Travel StopLove's · ~11 mi
- Flying J Travel CenterFlying J · HGV: yes · ~11 mi
- Flying J Travel CenterFlying J · HGV: yes · ~15 mi
- Love's93 South Rogers Road, Patterson, CA 95363Love's · HGV: yes · ~16 mi
- Flying J Travel CenterFlying J · HGV: yes · ~21 mi
- TATA · HGV: yes · ~22 mi
- Boyd Service Center~25 mi
+7 more within 25 miles.
Source: © OpenStreetMap contributors. Last updated 2026-05-18.
Air quality context in and around Modesto
Annual aggregate readings from EPA Air Quality System monitors within about 25 miles of Modesto, reporting year 2025. Clean Truck Check exists to reduce real-world emissions from heavy-duty vehicles — the numbers below are the local baseline those rules are designed to improve.
PM2.5
8.2 Micrograms/cubic meter (LC)
4 monitors · 45,523 observations · 167 days above standard
Nitrogen dioxide (NO₂)
9.3 Parts per billion
3 monitors · 49,600 observations · 0 days above standard
Ozone (O₃)
0.04 Parts per million
4 monitors · 126,697 observations · 4 days above standard
Source: EPA Air Quality System (AQS) API. Reporting year 2025. Last fetched 2026-05-18.