Home › Speed Bumps, Curbs, and Asphalt Accessories
Control traffic and protect property with asphalt speed bumps in Portland, OR. We install speed humps, curbing, wheel stops, and other accessories that complement your lot design. Properly placed features slow vehicles, guide flow, and reduce damage to landscaping and structures.
Prestige Asphalt Portland provides professional asphalt speed bumps throughout Portland, OR and the surrounding area. Our licensed, insured crew delivers safe, clean, on-time work with a free estimate before anything begins. Call (971) 715-4815 or request your free quote.
Practical asphalt speed bump solutions for Portland properties
If you are dealing with cut-through traffic in a parking lot or worried about drivers flying through a private road, speed control is usually the first thing to fix. Prestige Asphalt Portland designs and installs asphalt speed bumps, curbs, and related accessories that actually work for how people drive in Portland, not just what looks good on paper. We start by walking the site with you and watching how cars move in and out, paying attention to tight turns, blind corners, loading zones, and ADA routes. That first look determines where a speed bump will slow drivers without creating bottlenecks or scraping low-clearance vehicles.
On commercial lots, we often tie speed bump placement to existing crosswalks or building entrances so drivers are naturally slowing where pedestrians are most exposed. For apartment communities or HOAs, we usually space bumps 120 to 250 feet apart depending on the length of the drive and the target speed you want, typically 10 to 15 mph on private drives. We also consider snow plow routes, trash truck paths, and fire lane access so you do not end up with damage from heavy equipment or a problem with emergency access.
Our team uses this planning phase to identify any Portland-specific requirements that might apply, especially for multi-tenant commercial sites. While speed bumps on private property typically do not require a City of Portland permit, there are rules that affect any change near sidewalks, ADA ramps, or public right-of-way. Prestige Asphalt Portland coordinates those details with your property manager, architect, or HOA board before anything is installed so you do not run into issues later when insurance companies or inspectors review the site.
How we install asphalt speed bumps that last
A durable asphalt speed bump is more than a row of asphalt dragged across the pavement. We build each one as a small engineered feature so it stays in place through Portland’s wet winters and temperature swings. After layout and marking, we saw cut or grind the surface edges where needed so the bump ties cleanly into the existing asphalt. This helps prevent cracking at the seams and keeps water from creeping underneath, which is a major cause of early failure.
We typically install asphalt speed bumps at a height of about 3 to 4 inches with a rounded profile that slows vehicles while reducing harsh impact. The width usually ranges from 12 to 24 inches depending on traffic type. For drive aisles that see delivery trucks, we may use elongated “speed humps” that are gentler but longer so box trucks and vans can pass without cargo shifting. The asphalt is compacted with a vibratory roller and hand tampers at the edges to lock it into place.
Striping and reflectivity are non-negotiable in our process. Once the asphalt cures, we apply high-contrast traffic paint, typically yellow, with optional white edge lines or chevrons. In shaded lots or locations with night traffic, we recommend embedded reflective markers or thermoplastic striping so the bump is visible when it is wet and dark. Portland’s frequent rain makes this especially important, because a poorly marked bump can become a safety hazard and a liability issue.
Cost is mainly driven by how many features you need, the condition of the existing pavement, and whether we can complete the work in a single mobilization. Projects cost more when the base pavement is alligatored or rutted because we have to repair those failures first. Prestige Asphalt Portland gives you a clear written scope that separates base repairs, new bump construction, striping, and any optional reflective upgrades so you can see exactly where your budget is going.
Curbs, wheel stops, and edge control that protect your asphalt
Curbs and asphalt accessories are what keep your pavement working the way it should. In Portland, we see a lot of damage from cars rolling over broken concrete curbs, water running off properties in the wrong direction, and delivery trucks driving across unprotected landscaping. Our crew installs new curbs and replaces failed ones so you can control traffic and drainage and avoid early asphalt failures.
Concrete curbs are the workhorse option, especially for commercial and multifamily lots. We form and pour them on compacted base, usually 6 inches below grade, with rebar reinforcement where heavy vehicles are common. For existing lots where a full re-pour is not practical, we sometimes install asphalt berm curbs. These are built up in place with asphalt and compacted to create a long, continuous barrier that keeps vehicles out of planters and directs water toward catch basins.
Wheel stops, also known as parking bumpers, are another detail we pay attention to. In Portland, many older lots have random mixes of crumbling concrete stops, misaligned blocks, or missing hardware. We can remove the old pieces, patch anchor holes, and install new precast concrete or recycled rubber wheel stops. Rubber stops are increasingly popular because they are forgiving when bumped, highly visible, and can be replaced individually if one gets damaged. We anchor all wheel stops with corrosion-resistant spikes or bolts and lay them out consistently so you have clean, uniform parking stalls.
Edge protection is often overlooked. If your parking lot ends right at a slope or soft soil, vehicle tires can push the asphalt edge outward and cause cracking. Prestige Asphalt Portland evaluates these edges during your project and may recommend asphalt thickening, small utility curbs, or gravel shoulders to keep the edge from unraveling over time. These small additions are usually inexpensive compared to the cost of patching failed edges every few years.
Accessories that make your traffic plan work in real life
Speed bumps and curbs are only part of a complete traffic and safety plan. To make them effective, Prestige Asphalt Portland often integrates additional asphalt accessories like signage, striping, and ADA elements that bring the whole system together. For example, a speed bump installed just before a pedestrian crossing works best when paired with clear “Speed Bump” and “Pedestrian Crossing” signs whose height and placement align with driver sight lines.
We also use pavement markings strategically. Raised arrows can lead drivers to specific exits, while painted stop bars and “STOP” legends on the pavement encourage compliance at key intersections within your lot. In Portland’s rainy conditions, specialty paints or thermoplastics with glass beads provide added skid resistance and visibility when surfaces are wet. If your property serves a school, medical office, or senior housing, we often recommend lower height bumps combined with more signage so you get speed reduction without discomfort for sensitive passengers.
ADA compliance is another area where details matter. When speed bumps or curbs are added near accessible parking, ramps, or routes, we verify that slopes, clear widths, and transitions still meet ADA and Oregon Structural Specialty Code guidelines. Sometimes this means using shorter speed humps in areas adjacent to accessible stalls or leaving a gap in a curb to preserve a compliant path. We coordinate layout so accessible routes remain smooth and clearly marked with blue striping, symbols, and signage.
Prestige Asphalt Portland can also coordinate traffic calming features with stormwater management. Many Portland properties have bioswales, rain gardens, or pervious areas that are part of a stormwater plan. Our curbs, curb cuts, and asphalt grading respect those systems so water flows into the correct features instead of pooling around speed bumps or flowing across walkways. This is critical in a city where heavy rain events can test drainage design several times each winter.
What Portland customers should know before installing speed bumps and curbs
Before you green-light a project, it helps to understand the practical and regulatory side of speed bumps and curbs in Portland. On purely private property, such as an interior apartment lot or a shopping center parking area, you generally do not need a city permit to add speed bumps. However, if anything you install touches the public right-of-way or affects drainage that ties into city systems, Portland Bureau of Transportation (PBOT) and the Bureau of Environmental Services may have standards that need to be followed. We help you identify those situations up front so there are no surprises.
Neighborhood and HOA rules can also come into play. Some associations have restrictions on bump height, spacing, or materials, and almost all require a board vote before construction. Prestige Asphalt Portland often assists managers by providing simple layout diagrams, cross sections, and cost breakdowns they can present at board or owner meetings. This speeds up approvals and helps non-technical decision makers understand why a certain design is recommended.
From a practical perspective, it pays to think about operations. You will want to schedule speed bump and curb work when parking demand is lowest, which for most Portland businesses means weekends, early mornings, or shoulder seasons between busy periods. We can phase work so your property never has to shut down completely, for example by keeping half of a lot open while the other half is under construction. We also provide clear barricades and temporary signage during work so customers and residents know what to expect.
Finally, be realistic about maintenance. Asphalt speed bumps typically last many years when built correctly, but they can be damaged by snowplows, heavy trucks, or utility work. Curbs can crack if large vehicles regularly drive over them. Prestige Asphalt Portland encourages property owners to include these features in their regular lot inspections, perhaps once or twice per year, looking for cracks, faded markings, or loose hardware on wheel stops. Catching small issues early makes repairs quick and inexpensive, and it keeps your traffic calming and safety features doing the job you installed them to do.
