22A Road Gravel | Crushed Natural Stone | 4.2 Miles

The road surface is constructed of Michigan Department of Transportation (MDOT) 22A specification road gravel. The Gravel Loop is used for general endurance and durability testing.

Obstacles | Challenging | Off Road Development

The trail is natural terrain with various obstacles such as; logs, rocks, ditches, sand trough, holes, and dirt banks. The primary purpose of this trail is for demonstration, development, training and testing.

Vertical Incline | Brake Testing | Driveline

CPG offers three test grades open year-round to test traction control, driveline, brakes etc. in any weather condition.

Parking Brakes | Transmission Durability

The grade percent is defined as the vertical rise per 100 feet of horizontal distance. Both grades are concrete, one lane wide and 40 feet long. The grades are used for driveline, brake, traction control and special test

North & South | Rough Event Lanes | Short Hills

Tortuous Road consists of north and south. South is 3.9 miles that includes special event surfaces, while the North side consists of quick turns and hills perfect for some endurance testing.

Rough surface | Ups and downs | Durability

Chalma Road duplicates the conditions once found on a road near Chalma, Mexico; includes many different types of bumps, ruts, road surfaces and road conditions. Chalma Road is used for accelerated endurance, durability and special tests.

The Endurance Road consists of the Southeast, Northeast, North, Northwest, Southwest, and South Endurance Roads. It provides access to most facilities and is the most direct link from east to west and north to south. The primary test use of the road is vehicle endurance testing.

3 Lanes | Durability | Unique Road Surface

The ADR is an oval approximately 1-1/3 miles in length . It has three event lanes, each one approximately 12 feet wide. The outer-most lane is a smooth blacktop surface, the center lane is made up of hand laid Belgian blocks, and the inner lane is the car lane with similar events to Chalma Road.

Tight curves | Sprinkler system | Variable speed testing

The Evaluation and Handling Road is 1.7 miles long with numerous tight curves, super elevations, and straights consistent with handling and road course design. Testing consists of both subjective and instrumented events designed for sub-limit and limit evaluations.

The Lateral Loads Road is a 1.4 mile road located within the ADR Test Facility. The road has nine hairpin turns, asphalt pavement lane, and a 1% pitch for drainage. It is used primarily to evaluate and test lateral force load input into the vehicle

Off Road | Minor Challenges | Beginner Course

Lyman Trail is an off-road evaluation course located inside the Ride Road. The Trail is a “two track” lane incorporating minor challenges of rough ground, small grade, soft roadbed, sharp turn, sand trap and close tree and brush features.

The Vehicle Dynamics Facility consists of 1200 foot x 1000 foot rectangular asphalt test surface with asphalt paved loops at the east and west ends to accommodate the acceleration and deceleration of vehicles as they enter and leave the dynamics test surface. The facility covers approximately 27 acres and has a 1% slope for water runoff.