Proving Grounds

Marshall Proving Grounds Track Features

The Marshall Proving Grounds features five distinct vehicle testing areas including skidpad, oval track, off-road, large grades and small grades. The map and charts below detail our capabilities.

Zone 1: Lower skid pad

Event	Size and Details
Split Mu Basalt Tile	15' x 100' (1,500 sq. ft.)
Concrete Stopping Lane	24' x 500' (12,000 sq. ft.)
Asphalt Surface: South End	N/A
Asphalt Surface: North End	N/A

Zone 1: Upper skid pad

Event	Size and Details
Upper Skid Pad (Jennite)	275' x 530' (145,575 sq. ft.)
Curb Recovery	200' x 6" cement curb
	12' wide drop down lane
	24' wide upper lane

Zone 1: Hostile course

Event	Size and Details
Washboard	12' x 100' concrete lane
Jounce ditches	12' x 260' concrete lane
Water Intrusion Pit	12' x 75' x 4'
Varying Resonance Grooves	12' x 365' concrete lane

Zone 1: Spin pits

Event	Size and Details
Outdoor Spin Pit	N/A
Spin Barn	6' x 30' split mu concreate/stainless steel

Zone 2: Small grades

Event	Size and Details
Concrete Pad 1	12' x 65'
Concrete Pad 2	12' x 65'
Concrete Pad 3	12' x 65'
Cross Ditch (GM Spec)	N/A
37% V-Ditch	N/A
3/5/10% Grade	15' x 63'
15% Grade	15' x 63'
60% Grade	N/A
20% Grade	45’ wide at bottom / 14’ wide at top
20% Grade	33’ flat apron / 110’ actual grade

Zone 3: Oval / infield

Event	Size and Details
Paved Oval track	2 lane asphalt (1.6 mile)
Gravel Rally Course	Gravel (1.5 mile)

Zone 4: Large grades

Event	Size and Details
15% Grade	300' x 21' grooved concrete
8% Grade	500' x 21' grooved concrete

Zone 5: Off-road

Event	Size and Details
Pond Route	N/A
Swamp Run	N/A
Boulder Course	N/A
Water Crossing	N/A
20% Gravel	N/A
5/10/15/20/25/30% Wagon Wheel	N/A
60% Grades	N/A
Fence road	N/A
Double Whammy	N/A
Rock Road	N/A
Stair Climb	N/A
Split Mu Pad	N/A
Pea Gravel Lane	N/A
Sand Pit (CMV)	N/A
Sand Pit (Auto)	N/A
Twist Ditch	N/A
Woods route	Two track
Rock climb/twist ditch run	N/A
30% grade exit	N/A

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