Directory · Truck Stops
Petro Ontario
4325 E. Guasti Rd. · Ontario, CA · I-10 Exit 57
At a glance
- Category
- ⛽ Truck Stops
- Address
- 4325 E. Guasti Rd.
- City / State
- Ontario, California 91761-7807
- Interstate
- I-10
- Exit
- Exit 57
- Phone
- 909-390-7800
- Truck spaces
- 559
- Last updated
- Jul 26, 2026
What drivers should know
559 truck parking spaces. 30 showers. 4 service bays. 16 diesel lanes. On site: Iron Skillet; Burger King, Popeyes. Weigh scale on site (brand unconfirmed)
Parking & amenities
- Overnight unknown
- Showers
- Food
- Fuel
- Laundry
- Repair
Spot something wrong?
Quickest option — pick what’s wrong and send. Takes a few seconds, no details needed.
Have the corrected details — new hours, phone, address? Send full corrections →
Either way a human reviews it before the directory changes.
Where it sits
Driver reviews
No reviews yet — be the first.
Approved reviews show up here. Yours could be the one that saves another driver a bad night.
Nearby driver services
Nearby Truck Stops
- TA Ontario — Ontario, CA · 0.2 mi
- Flying J Travel Center #1177 — Fontana, CA · 3.6 mi
- ONE9 Dealer #1434 — Fontana, CA · 3.7 mi
- Flying J Travel Center #1009 — Mira Loma, CA · 3.9 mi
All truck stops → · View on map → · Browse all directories → · Gear for the road →
Run a truck stop, repair shop, or parking lot? Get your business featured →