Make Petro in Johnstown, CO on I-25 at Exit 254 a part of your route. We’re ready to fuel your trip with Sinclair gas or diesel 24/7. Refresh after a long day on the road in our sparkling clean restrooms or use our laundry and shower facilities. Sit down and eat at Johnson's Corner. Even your pet can stretch its legs in our fenced in dog area. We invite professional truck drivers to park with us overnight in our 110 truck parking spaces, relax in our driver’s lounge or weigh in at our CAT scale. Don’t forget to stock up on grab-and-go meals, snacks and drinks at our travel store before returning to the road.