What Are the Standard Wheel Stop Dimensions?
A standard parking-lot wheel stop measures 6 feet long, 6 inches tall, and 6 to 9 inches wide. The 6-foot length engages both tires of a passenger vehicle parked in a standard 8-to-9-foot stall, the 6-inch height stops the tire without striking the front bumper, and the 6-to-9-inch width provides enough mass and pin spacing to resist impact. ADA 502.7 governs placement and clearance but not dimensions; the 6-foot baseline comes from the ITE Parking Generation Manual and IBC Section 1106.
This guide provides exact dimensional specs for every wheel-stop class - passenger, ADA, fleet, and industrial - plus the dimensional implications for installation tooling and pin selection.
Why Do Wheel Stop Dimensions Matter?
A wheel stop that is too short does not engage both tires; the driver can pull past it on one side. Too tall, and the stop strikes low-bumper vehicles like Tesla Model S, BMW i3, and other sports cars. Too narrow, and the pins pull out under impact. Each dimension trades off against another, and the right combination depends on the stall use case.
The Cojo crew restriped a Hillsboro corporate campus in February 2026 - 320 stalls, 280 passenger and 40 SUV. We specified 6-foot rubber blocks at 6-inch height across all stalls because the campus parking-policy team wanted dimensional consistency for striping symmetry. Three months in, no bumper strikes reported on the standard 6-inch height even with the SUV mix.
What Are the Three Critical Dimensions?
Length
| Application | Length |
|---|---|
| Compact stall (8-foot wide) | 4 feet |
| Standard passenger stall | 6 feet |
| ADA accessible stall | 6 feet |
| SUV / light truck | 6 feet |
| Fleet / dock | 6 to 8 feet |
| Trailer / semi parking | 8 to 10 feet |
Height
| Application | Height |
|---|---|
| IBC minimum | 4 inches |
| Industry standard | 6 inches |
| Maximum (passenger stall) | 7 inches |
| Heavy-duty / fleet | 6 to 8 inches |
| Industrial / semi | 8 to 10 inches |
Width
| Application | Width |
|---|---|
| Light-duty rubber | 6 inches |
| Standard rubber or concrete | 7 to 9 inches |
| SUV / light truck | 7 to 9 inches |
| Fleet / dock | 8 to 12 inches |
| Industrial / semi | 10 to 14 inches |
How Do Dimensions Vary by Material?
| Material | Standard Length | Standard Height | Standard Width | Weight (6-foot) |
|---|---|---|---|---|
| Recycled rubber | 6 feet | 4 to 6 inches | 6 to 9 inches | 30 to 50 lbs |
| Concrete | 6 feet | 4 to 6 inches | 7 to 10 inches | 200 to 280 lbs |
| Plastic / polymer | 6 feet | 4 to 6 inches | 6 to 9 inches | 25 to 38 lbs |
| Asphalt-bonded composite | 6 feet | 5 to 6 inches | 7 to 10 inches | 130 to 180 lbs |
What Are the Pin Hole Dimensions?
A standard 6-foot wheel stop has 2 or 3 pre-cast holes for steel pin anchors:
- 2-hole blocks: holes 12 inches in from each end, 5/8-inch diameter, 4 inches deep through the block.
- 3-hole blocks: holes 12 inches from each end plus one centered, 5/8-inch diameter.
Pin diameter (typically 5/8 inch) must match the hole diameter within 1/16 inch. Looser fit allows the block to rock under impact and elongate the hole. Pin length runs 12 to 18 inches with 14 inches of substrate engagement after passing through the block.
What Does ADA 502.7 Say About Wheel Stop Dimensions?
ADA 502.7 governs wheel stops as obstructions, not as sized components. Two rules apply:
- The wheel stop must not encroach into the 60-inch-wide access aisle of an accessible parking space.
- The wheel stop must allow the parked vehicle's bumper to clear the access aisle by at least 12 inches.
A standard 6-foot block, set 30 inches from the curb in a 9-foot accessible stall, satisfies both rules. The block's height (4 to 6 inches), width (6 to 9 inches), and length (6 feet) are not regulated.
How Do Heavy-Duty Dimensions Differ?
Fleet yards, dock aprons, and intermodal-yard wheel stops carry repeated higher-mass impact loads. Cojo's industrial spec for these locations:
| Application | Length | Height | Width | Notes |
|---|---|---|---|---|
| Class 3 to 5 trucks (delivery) | 6 to 8 feet | 6 to 8 inches | 8 to 10 inches | Reinforced concrete or steel-cored rubber |
| Class 6 to 7 trucks | 8 feet | 7 to 9 inches | 9 to 12 inches | Steel-reinforced concrete |
| Class 8 trucks / trailers | 8 to 10 feet | 8 to 10 inches | 10 to 14 inches | Industrial cast concrete with double-pin anchor |
Industry Baseline Range
| Item | Industry Baseline Range |
|---|---|
| 4-foot block (any material) | $25 to $80 |
| 6-foot rubber block | $55 to $130 |
| 6-foot concrete block | $30 to $80 |
| 6-foot plastic block | $45 to $95 |
| 8-foot industrial block | $90 to $220 |
| 10-foot trailer/semi block | $200 to $450 |
Current Market Reality
Recycled rubber prices rose 15 to 25 percent through 2025 due to tire-feedstock shortages. Concrete and asphalt-composite tracked aggregate cost moves (up 8 to 12 percent). Industrial-spec blocks (8 to 10 feet, double-pin) saw freight surcharges of $40 to $90 per unit on Oregon I-5 corridor deliveries.
Get the Right Dimensions for Your Stall
Standard wheel stops are 6 feet long, 6 inches tall, and 6 to 9 inches wide. Pick wider, taller, longer for SUV, fleet, or industrial use; pick shorter for compact-only stalls. Always verify clearance against ADA 502.7 and pin-hole spacing against your install method. Cojo specifies, supplies, and installs wheel stops across the Willamette Valley. Contact Cojo for a layout quote, or read our wheel stop guide for the full product overview.