A single speed hump costs $1,500 to $5,000 installed in 2026 for the 12-foot Watts profile asphalt unit on private property in Oregon's I-5 corridor. The exact number comes down to six factors: profile length, material (asphalt vs rubber), site complexity, pavement marking and signage, prevailing-wage requirements, and whether the project is single-unit or multi-unit. Below: quick-answer cost ranges and when single-unit makes sense versus pricing it as a 3-or-more-hump project.
Quick-answer pricing
| Configuration | Single-Unit Installed Cost |
|---|---|
| Asphalt 12 ft Watts (residential default) | $1,500 to $4,500 |
| Asphalt 14 ft Seminole or sinusoidal | $1,800 to $5,500 |
| Asphalt 22 ft speed table | $5,000 to $15,000 |
| Modular rubber 12 ft | $2,000 to $4,500 |
| Removable seasonal rubber 12 ft | $1,800 to $3,500 |
Current market reality
Speed-hump pricing in 2026 reflects roughly 18% increases in hot-mix asphalt prices over 2024 to 2025 and 12 to 20% higher traffic-control labor rates compared to 2023. Most single-unit asphalt installs land at the median-to-upper end of the published industry range. Single-unit rubber-hump installs run roughly even with single-unit asphalt on initial cost but lose on lifecycle (5 to 8 year lifespan versus 15 to 25 years).
What is the cheapest speed hump?
The cheapest installed option in 2026 is usually a single-unit modular rubber hump on private property at $1,800 to $3,000. The cheapest lifecycle option is a multi-unit asphalt project at $1,200 to $3,800 per unit installed (for projects with 3+ humps on the same street). A 4-hump asphalt project for an HOA in Beaverton in 2025 came in at $9,800 total ($2,450 per unit) for a 600-foot loop, demonstrating multi-unit savings.
For full multi-unit math, see the speed hump cost guide.
What changes the number?
Six factors push a single-unit speed hump price up or down within the published range:
- Profile length. 12 ft Watts is cheapest; 22 ft speed tables are 3 to 4 times more.
- Material. Asphalt and rubber overlap on install cost; asphalt wins on lifespan.
- Site complexity. Sloped sites, drainage interactions, and utility crossings add 10 to 30%.
- Pavement marking. Standard chevron paint plus W17-1 sign is included; embedded reflectors and additional signs add $200 to $500.
- Prevailing wage. City-contracted work adds 25 to 35% to labor lines.
- Mobilization distance. Sites more than 30 miles from the contractor's base typically pay a per-mile mobilization adder.
When is single-unit the right call?
Three scenarios:
- The site only needs one hump. A short driveway or a single problem location on a street.
- Future humps will be added separately. If the property manager wants to start with one and pilot before scaling, single-unit pricing is the right comparison.
- The project is for a private property with no expansion potential. A 100-stall parking lot with one approach drive aisle.
In a 2025 single-unit install for a Tualatin retail center (single hump on the entry drive aisle), our crew came in at $2,800 for an asphalt 12 ft Watts profile. A multi-unit comparison would have lowered per-unit pricing but the property only needed the one device.
When does multi-unit savings beat single-unit?
When 3 or more humps will be installed on the same street within the same project. Multi-unit savings come from:
- Mobilization allocated across more units
- Hot-mix delivery consolidated to a single truck order
- Traffic control running continuously rather than per-unit
- Pavement marking batched to a single paint crew pass
A 3-hump project typically saves 15 to 20% per unit; a 4 to 6-hump project saves 20 to 25%. Beyond 6 humps the savings flatten because crew rhythm and equipment efficiency saturate.
What about pavement marking and signage?
Standard inclusions in a single-unit speed hump bid:
- Yellow chevron pavement marking on the leading face per MUTCD
- W17-1 advance warning sign installed 100 to 200 ft upstream
- Standard reflective tape on rubber units (asphalt requires no embedded reflectors by default)
Add-ons that increase cost:
- Embedded reflective markers in the asphalt surface ($150 to $400)
- Additional advance warning signs at intersections ($100 to $250 each)
- School-zone signage (S1-1 + S4-3) where the hump is in a school zone ($200 to $500)
- Reflective road studs (cat's-eye reflectors) embedded in the lane line ($80 to $200)
Frequently asked questions
How much does it cost to put in one speed hump? A single 12-foot Watts profile asphalt speed hump costs $1,500 to $4,500 installed on private property in Oregon's I-5 corridor in 2026. Larger profiles (14 ft sinusoidal, 22 ft speed table) cost more.
Why are some quotes so much lower than others? Quote variation typically reflects scope: lower quotes may exclude pavement marking, signage, or proper traffic control. Confirm what is included before comparing.
Is the cost cheaper if my parking lot already has asphalt? Yes. A 1-inch tack-coat overlay onto existing asphalt is faster than starting from a milled or unpaved substrate. The savings are typically 10 to 15% on labor.
Can I get a fixed-price quote? Most contractors quote a firm price after a site walk. Quotes for sight-unseen are typically ranges, not fixed prices.
Are speed hump costs tax-deductible for HOAs? HOA operating expenses, including capital improvements like speed humps, are typically deductible as part of the HOA's tax filing under federal IRS rules for homeowner associations. Consult your HOA's tax preparer for specifics.
Get a Single-Unit Quote
Cojo provides single-unit speed-hump quotes for Oregon properties with detailed pricing breakdowns. Contact Cojo for a quote, or see the speed hump cost guide for full pricing context.