---
title: "Trans Network — Clean Truck Check, Roseville, CA"
description: "Trans Network in Roseville, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone, address and nearby…"
url: "https://ctcfinder.com/tester/trans-network-roseville/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Trans Network

Clean Truck Check tester in Roseville, CA (Placer County).

> CTC Finder is an independent directory, not affiliated with CARB. Tester data: CARB Clean Truck Check public tester list, last checked November 1, 2026. Confirm services, hours and prices with the tester.

| Field | Value |
|---|---|
| Location | Roseville, CA 95661 |
| County | Placer County |
| Phone | (916) 220-0796 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Trans Network can test

| Your vehicle | Test required | This tester |
|---|---|---|
| Diesel, model year 2013 or newer | OBD scan | Yes |
| Alternative fuel (natural gas, propane), 2018 or newer | OBD scan | Yes |
| Diesel, model year 2012 or older (no OBD) | Smoke opacity test (SAE J1667) plus visual inspection | Not listed |
| California-registered motorhome | Same test as above by engine year, once a year | Yes |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Capital City Diesel Inspections- TRUCK, BUS, RVs in Roseville, about 3 miles away. [See listing](https://ctcfinder.com/tester/capital-city-diesel-inspections-truck-bus-rvs-roseville/).

## Clean Truck Check testers in Placer County

Trans Network is one of 39 testing businesses in Placer County on CARB's public tester list. 36 of them offer mobile testing and 22 do smoke opacity tests. In Roseville itself there are 12 listed businesses, 11 of them mobile.

## When your truck is due

Most trucks test twice a year, on a schedule tied to the DMV registration expiration date. CARB says OBD trucks move to four tests a year beginning October 2027. California-registered (non-commercial) motorhomes and agricultural vehicles test once a year. See the [deadline guide](https://ctcfinder.com/guide/deadlines-2026-2027/). You can test up to 90 days before a deadline. Free email reminders: https://ctcfinder.com/reminders/

## Frequently asked questions

### Does Trans Network offer mobile Clean Truck Check testing?

Yes. Trans Network says on CARB's tester list that it offers mobile testing, so it can come to your yard or job site. Ask about a trip fee when you call.

### Can Trans Network test a 2012 or older diesel truck?

Trans Network does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Capital City Diesel Inspections- TRUCK, BUS, RVs](https://ctcfinder.com/tester/capital-city-diesel-inspections-truck-bus-rvs-roseville/) (about 3 miles). Trucks from 2013 on get an OBD scan instead.

### How much does Trans Network charge for a Clean Truck Check?

Trans Network has not published prices with us; call (916) 220-0796 for a quote. Published California prices are usually $50–$135 per vehicle for an OBD test and $190–$200 for a smoke opacity test, plus CARB's annual fee ($32.13 in 2026). See the [cost guide](https://ctcfinder.com/guide/cost/).

### Is Trans Network a CARB-credentialed tester?

Trans Network appears on CARB's public Clean Truck Check tester list, last checked November 1, 2026. Only credentialed testers can submit results to CARB; after the test, confirm the passing result shows for your vehicle in CTC-VIS.

## Other testers nearby

- **[CA Emissions Group](https://ctcfinder.com/tester/ca-emissions-group-roseville/)** — 1100 Melody Ln Ste, Roseville, CA 95678 — (916) 266-2026 — 3 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Capital City Diesel Inspections- TRUCK, BUS, RVs](https://ctcfinder.com/tester/capital-city-diesel-inspections-truck-bus-rvs-roseville/)** — 910 Pleasant Grove Blvd, Roseville, CA 95678 — (916) 538-7777 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Pete's Diesel Power LLC](https://ctcfinder.com/tester/petes-diesel-power-llc-roseville/)** — 1223 Cresthaven Dr, Roseville, CA 95678 — (916) 224-6628 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Roseville REG Srvcs](https://ctcfinder.com/tester/roseville-reg-srvcs-roseville/)** — Roseville, CA 95678 — (916) 474-5190 — 3 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Fleet Rescue](https://ctcfinder.com/tester/fleet-rescue-citrus-heights/)** — 7524 Circuit Dr, Citrus Heights, CA 95610 — (916) 847-3811 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[IKAG Ventures](https://ctcfinder.com/tester/ikag-ventures-citrus-heights/)** — Citrus Heights, CA 95610 — (916) 833-5493 — 3 mi. Services: mobile testing, OBD testing, motorhome testing.