Speed Humps
Speed Hump Installation in Portland, Oregon: 2026 Guide
Cojo
May 7, 2026
7 min read
We install speed humps across the Portland metro — Pearl District commercial drives, Lloyd District apartment complexes, Hollywood and Sellwood residential streets. Some jobs run through PBOT's residential traffic-calming program (public streets); the rest we handle directly with HOA boards and property owners (private streets). What's below: the local codes, the neighborhoods we cover, recent project examples, and what 2026 Portland speed-hump pricing actually looks like.
For a public Portland street, the PBOT residential traffic-calming program sets the eligibility criteria, conducts the speed and volume study, and runs the resident-petition process. For a private street, an HOA board or property owner authorizes the work directly under Oregon Revised Statutes Chapter 94 (Planned Communities). Cojo handles the install scope -- design, traffic control, paving, marking, and signage -- on either path.
Three local references govern Portland speed-hump work:
For school-zone installs, Portland Public Schools transportation guidance and the Oregon Department of Education school transportation rules add a transportation-director sign-off.
Cojo crews work the full Portland metro area. Common project zones:
Cojo installed a single 12-foot parabolic asphalt speed hump on the main entry drive of a 220-unit apartment complex in the Lloyd District after property management logged repeated near-miss reports near the leasing-office crosswalk. Pre-install 85th-percentile speeds at the crosswalk averaged 23 mph; 30-day post-install measurement averaged 14 mph. Total elapsed time from initial property-manager call to installed hump was 19 days.
Cojo installed a series of 3 asphalt speed humps on a 1,150-foot HOA-controlled residential street in Sellwood spaced 320 feet apart. The board approved the design after a unanimous vote in their January meeting. Pre-install 85th-percentile speeds were 28 mph; 60 days post-install measured 19 mph -- a 9-mph corridor reduction.
Cojo installed a 12-foot parabolic hump in the parent drop-off loop of an elementary school in Multnomah Village in coordination with Portland Public Schools transportation. The school's principal had logged 30+ near-miss incidents in the prior school year. Spot speeds in the drop-off loop dropped from 16 mph to 7 mph.
Industry Baseline Range
| Item | Range |
|---|---|
| Single hump install (residential street) | $2,500 to $5,000+ |
| Single hump install (private property) | $2,000 to $4,000+ |
| Series of 3 humps (same site) | $1,800 to $3,500+ per hump |
| Annual inspection | $200 to $500+ per site |
| Re-paint chevrons (water-based) | $80 to $180+ per hump |
| Re-paint chevrons (thermoplastic) | $250 to $500+ per hump |
| Single hump removal | $1,500 to $3,500+ |
Portland's 2026 hot-mix prices and traffic-control labor rates push the city above the Oregon statewide average by roughly 8 to 12 percent. PBOT's resident cost-share program for public-street humps mitigates some of the resident-side cost; private-property installs do not have access to that subsidy but also do not pay the program-administration overhead. See the speed hump cost guide for the full pricing breakdown.
Portland Fire and Rescue maintains an active interest in residential calming devices because of the response-time impact. PBOT's program will accept either humps or cushions on most residential streets, but for designated fire-response routes the conversation usually pivots to cushions. The speed cushions guide covers the wheel-track design that lets fire trucks straddle.
For non-fire-response residential streets, school zones, and private property, humps remain the default. Cojo recommends the hump-or-cushion decision be made at the proposal stage, not after the city review starts.
The wet I-5 corridor climate drives most Portland hump degradation. Cojo's maintenance recommendation for Portland sites:
The speed hump maintenance reference covers the full lifecycle. Cojo offers an annual maintenance contract for Portland HOA and property-management clients that bundles inspections, paint, and crack-fill into a single line item.
If you are a Portland HOA board member, property manager, school facilities lead, or business-park operator, Cojo can provide a free site review and a quote within 48 hours of the initial call. We work the full metro -- inner East Side, Pearl, North Portland, East Portland, and Southwest. See the speed humps guide for the engineering background, speed humps for residential streets for the residential framework, paving contractor Portland for the broader Cojo Portland service area, or asphalt maintenance services for the full scope and pricing.
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