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Improve safety and traffic control with speed bump installation in St Louis, MO. We install asphalt speed humps, curbs, parking stops, and traffic calming features in lots and private roads. Our team helps you choose locations, sizes, and layouts that slow vehicles while maintaining access and drainage.
Precision Asphalt St. Louis provides professional speed bump installation throughout St Louis, MO, Missouri and the surrounding area. Our licensed, insured crew delivers safe, clean, on-time work with a free estimate before anything begins. Call (314) 333-7779 or request your free quote.
Practical Traffic Calming For St. Louis Properties
Speed bump installation is about more than just dropping asphalt in the driveway. In St. Louis, you are working around older streets, mixed-use alleys, and parking lots that see freeze-thaw cycles and heavy rain. Precision Asphalt St. Louis plans each speed bump, curb, and accessory so it actually slows traffic without tearing up vehicles or trapping water.
We start every project with a site visit. At apartment complexes in South City, schools in North County, or church lots in St. Charles, we walk the pavement, note drainage patterns, check existing asphalt thickness, and watch how traffic is really moving. We measure sight lines, look at nearby entrances and crosswalks, and talk with you about the specific problem areas, like cut-through drivers, fast deliveries, or unsafe pickup zones.
From there, we match the solution to the property. A small condo lot off Hampton might need a few moderate height asphalt speed humps spaced correctly. A warehouse in Earth City might call for higher profile bumps with reflective striping and clear signage. For older brick neighborhoods, we pay attention to how curbs and speed bumps will look next to existing structures so improvements feel like part of the block, not an afterthought.
How We Install Asphalt Speed Bumps That Last
A good speed bump installation starts below the surface. We begin by marking out exact locations and confirming they fit code and safety guidance, especially where fire trucks or ambulances may need access. Then we saw-cut the pavement edges where needed so the bump ties into clean, vertical sides instead of crumbling edges.
Next, we mill or grind the top of the existing asphalt to remove weak or oxidized material. On lots that have seen a lot of rock salt, UV damage, or patchwork repairs, this step is critical. If the base is unstable, we dig deeper, compact the stone, and sometimes add base rock to create a solid foundation.
We typically use hot mix asphalt brought in at the right temperature so it compacts tightly. The mix design can be adjusted for heavier traffic like delivery trucks versus lighter use like private school lots. Our crew places the asphalt in lifts, rakes it to the precise profile, then compacts with a roller and hand tampers along the edges so the transition feels smooth to vehicles but still slows them effectively.
After compaction, we check the bump against our layout specs, measure height and length, and make sure water flows around it instead of pooling at the base. Once the asphalt cools, we apply high-visibility pavement markings, usually bright yellow or white stripes across the crest and reflective traffic paint on the approaches so drivers can see the bump at night and in rain.
Curbs, Wheel Stops, and Site Accessories That Protect Your Pavement
Speed bumps work best as part of a complete traffic plan. Precision Asphalt St. Louis also installs concrete or asphalt curbs, wheel stops, and other accessories that keep drivers where they belong and protect your property from damage.
Concrete curbs can define drive lanes, keep vehicles off landscaped areas, and guide runoff toward storm inlets instead of your entry doors. In older St. Louis lots that have been resurfaced many times, curbs sometimes end up buried or broken. We remove failing sections, re-pour to the correct height, and tie them into your existing elevation so plows and sweepers do not destroy them the first winter.
Wheel stops (parking blocks) are another common upgrade. We drill and pin them into the asphalt with rebar or specialty pins so they do not shift. For properties near busy streets like Kingshighway or Manchester, properly placed wheel stops prevent vehicles from overhanging sidewalks or bumping into buildings and fences. We also offer options like recycled rubber wheel stops that flex slightly and are less likely to chip in freeze-thaw conditions.
Accessories can include bollards at loading docks, handicap ramp transitions, and reinforced asphalt pads where dumpsters sit and turn. All of these details reduce costly edge cracking and rutting that typically shows up near curb lines and hard corners first.
Local Codes, Safety Considerations, and Emergency Access
Not every bump in the road is legal or safe. St. Louis area municipalities often have guidelines or standards for speed bump height, shape, and spacing, especially on private streets that connect to public roads. Precision Asphalt St. Louis keeps those local expectations in mind so your project does not cause problems with inspections or emergency access.
We typically recommend parabolic or sinusoidal style speed humps for residential and multi-family settings because they slow vehicles without jolting them. In tighter commercial areas that struggle with high speeds, a steeper profile may be appropriate, but always balanced against vehicle types that use the lot, such as delivery vans, snowplows, and buses.
Fire departments care about how quickly they can reach a site. During planning, we look at access routes and often keep a primary fire lane free of vertical deflection, using striping, signage, and curbs to control behavior instead. For private drives, we can work off any existing subdivision guidelines so new speed bump installations do not create friction with an HOA or city engineer.
We also factor in ADA requirements around crosswalks and accessible parking. Raised crosswalks or textured transitions must integrate with your speed control plan so pedestrians are protected, but wheelchairs and walkers still have safe, smooth access.
What Affects Cost For Speed Bumps, Curbs, and Accessories
Pricing for speed bump installation and related accessories in St. Louis varies with a few predictable factors. The first is the condition and thickness of your existing asphalt. If the pavement is thin or alligator cracked, we may need to repair or reinforce those areas first so the new bump does not punch through or cause more cracking at the edges.
The number, size, and style of speed bumps also matter. Longer humps that span wide drive lanes, such as at big-box retail or industrial parks, use more material and labor than shorter devices for narrow drives. Adding reflective striping, thermoplastic markings, or custom lettering like "SLOW" or "STOP" will affect cost but often improves safety enough to be worth it.
Curbs and accessories add their own variables. Concrete work is priced differently from asphalt, and removing old curbs or wheel stops takes extra time and disposal fees. Access can also impact cost. If our crew needs to work around tight alleys, heavy traffic patterns, or limited working hours near hospitals or schools, we schedule more carefully and may phase the work over multiple days.
We keep estimates itemized. When Precision Asphalt St. Louis quotes your project, you see line items for each feature: speed bump count and size, curb footage, wheel stops, striping, and any base repairs. That transparency lets you prioritize what gets done now and what can be planned for a later phase if needed.
Common Problems We Solve On St. Louis Lots
Local property owners often call us after trying quick fixes that did not last. Portable rubber bumps that were never anchored properly slide out of place, especially where snow plows work the lot. Old asphalt bumps that were simply piled on top of cracked pavement often start crumbling at the edges within a season or two.
We also see poorly placed bumps that create more issues than they solve. If a speed bump is too close to an intersection or driveway entrance, drivers hit the gas right after crossing, which can actually increase speed in front of front doors or loading docks. Precision Asphalt St. Louis walks the whole site to understand braking and acceleration zones so placement makes sense with how people actually drive.
Drainage-related problems are another big one. A bump that interrupts the flow of water on a lot near the River des Peres or other low-lying areas can create icy spots in winter. To prevent this, we shape and feather the approaches so runoff continues toward catch basins. When necessary, we adjust nearby grades or add small drainage swales so your new traffic control feature does not become a puddle dam.
For aging shopping centers and office parks, we often combine crack sealing and patching with the speed bump and curb work. This helps prevent existing flaws from telegraphing through and gives you a more uniform surface that looks intentional instead of pieced together.
Our Process and How To Get Started
Working with Precision Asphalt St. Louis is straightforward. After you contact us, we schedule an on-site evaluation, usually within a few business days. During that visit, we measure, photograph, and ask questions about peak traffic times, problem behaviors, and any past pavement failures. You can point out concerns like tailgating in the drive-thru lane or delivery trucks cutting across parking rows.
Within a short time, we provide a written proposal that lays out recommended speed bump locations and profiles, curb or wheel stop upgrades, and striping improvements. We can also show you examples from similar properties in St. Louis City and County so you can see how different layouts look in real life.
When you are ready to move forward, we coordinate scheduling around your operations. For busy retail sites, we often work early mornings or split the job over phases so you always have open access points. We set clear expectations for curing and re-opening times so your tenants, customers, or residents are not surprised.
After installation, we walk the site with you, review each bump, curb, and accessory, and talk through maintenance. For most lots, routine sweeping, quick removal of packed snow along the bump edges, and periodic sealcoating will extend the life of your new improvements. If you ever have questions later or need adjustments, you are dealing with a local St. Louis team that knows your project and can respond quickly.
