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Control traffic and protect pedestrians with speed bump installation in Saint Louis, MO. We build asphalt speed humps, curbing, and parking lot accessories that guide vehicles and define spaces. Properly placed features improve safety without disrupting access.
Precision Asphalt St. Louis provides professional speed bump installation throughout Saint 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.
Speed Bump Installation & Asphalt Accessories in St. Louis, MO
Traffic moves fast on neighborhood cut‑through streets, shopping center lanes, and church parking lots in St. Louis. When you need vehicles to slow down without creating confusion or damage to cars, properly designed speed bumps and other asphalt accessories make the difference. Precision Asphalt St. Louis specializes in speed bump installation, curbing, and related features tailored to how people actually drive and park on your property.
We work across the metro area, from older brick neighborhoods in South City and Soulard to larger commercial sites in St. Peters, Chesterfield, and Florissant. Our crews understand the mix of narrow alleys, sloped driveways, and busy parking lots you see throughout the region, and we design traffic calming features that fit these real‑world conditions instead of using a one‑size‑fits‑all layout.
How Professional Speed Bump Installation Works
A good speed bump is not just a mound of asphalt. It has a specific shape, thickness, and placement that slows cars to the right speed without creating a hazard. At Precision Asphalt St. Louis, every installation starts with a walk‑through of your property. We look at sight lines, common turning movements, pedestrian paths, drainage, and how delivery trucks or emergency vehicles will need to move.
Once we map out locations, we mark exact bump positions with paint and confirm with you which drive lanes will be affected. We then mill or clean the existing asphalt to create a solid bond. For most St. Louis parking lots we use hot‑mix asphalt installed by hand with rakes and lutes, then compacted with a small roller and plate tampers. This lets us fine‑tune the profile so the leading edge is smooth and the center height matches your target speed, usually 5 to 10 miles per hour.
After compaction, we saw‑cut or edge‑tool the sides of the bump so water does not pond and plows or sweepers do not catch the edges. Once the asphalt has set enough for coatings, we add reflective striping or thermoplastic markings so drivers can clearly see the bump at night or in winter weather. For properties that need a removable solution, such as event venues, we can install anchored rubber bumps on a prepared surface instead of permanent asphalt.
Types of Speed Bumps, Humps, and Cushions We Install
Most St. Louis property owners use the term speed bump for every raised traffic device, but different shapes suit different sites. Precision Asphalt St. Louis installs several profiles and helps you choose what fits your layout and users.
Traditional speed bumps are shorter and steeper, often 12 to 24 inches wide, and are common in alleys, private drives, and small parking areas where traffic should nearly stop. Speed humps are longer, often 6 to 12 feet from leading edge to trailing edge, and provide a gentler ride that works well for subdivision streets, school drives, and hospital or senior living campuses.
For fire lanes and bus routes we may recommend speed cushions, which are segmented so wider emergency vehicles can straddle the raised sections while normal passenger cars still feel the slowdown. In older St. Louis neighborhoods with frequent street parking, these cushions help keep response times fast while controlling speed.
We also offer modular rubber and recycled‑plastic systems for garages and surfaces where heavy rock salt is used. These can be bolted to the pavement and swapped out if you later modify your layout or resurface.
Asphalt Curbs, Wheel Stops, and Other Accessories
Speed control is only one part of organizing traffic on your property. Curbs, wheel stops, and other accessories protect landscaping and buildings and keep parking more orderly. Precision Asphalt St. Louis installs asphalt or concrete curbs that define drive lanes, protect grass islands, and keep cars from cutting across corners.
On older lots around South County and North City, we often see broken concrete wheel stops or missing bumpers that allow vehicles to creep toward fences or storefronts. We replace or add pre‑cast concrete or recycled rubber wheel stops, drilled and pinned into the asphalt with rebar or specialty anchors. This is especially useful in tight lots typical of small shops along Gravois, Hampton, and Natural Bridge.
We also install raised asphalt pads around dumpster enclosures, loading docks, and drive‑thru lanes to reduce rutting from heavy trucks. These pads are compacted to a higher density and often use a stronger asphalt mix so they stand up better to turning loads. Where drainage is a concern, we shape these accessories so water flows to catch basins rather than under doors or into low spots.
To tie everything together, our crews can re‑stripe your lot with clear directional arrows, stop bars, and crosswalks that work in tandem with your speed bumps and curbs. The goal is a complete traffic plan, not a few random bumps that frustrate drivers.
What Drives Cost for Speed Bumps, Curbs, and Accessories
Customers often ask why two properties that look similar end up with different quotes. Several specific factors influence cost for speed bump installation and related work in the St. Louis area.
Condition of existing pavement is a major driver. Installing on a fairly smooth, intact lot in West County is straightforward. Installing on an alligatored or heavily cracked lot in parts of North City or older industrial areas may require patching or base repairs first, otherwise bumps and curbs will shift or break prematurely.
Access and staging can also change cost. If we can bring equipment straight in from a wide entrance, we work faster. Tight lots, underground garages, or sites that require work only during limited off‑hours, like busy medical offices near Delmar or Kingshighway, may involve extra labor. The number and type of devices matter too: short, steep bumps use less material but require careful shaping; long humps or custom‑shaped curbs use more asphalt and compaction time.
Coatings and markings are another component. Basic yellow traffic paint is economical, while reflective thermoplastic markings or high‑build coatings for low‑light areas cost more but last significantly longer. If we combine speed bump installation with sealcoating or re‑striping, we can often reduce your overall cost compared to doing each item separately.
Common Issues We Solve on St. Louis Properties
Our team is frequently called in to correct poorly installed bumps and curbs. We see bumps that are too tall and scrape the bottom of cars, devices placed right at the base of a hill where drivers cannot see them in time, or unmarked rubber bumps that disappear in snow and create liability problems.
For overly aggressive or mis‑shaped bumps, we can grind or mill down the asphalt and rebuild to a safer profile. When bumps or curbs trap water, which is common on older lots that have settled over decades, we adjust the slopes and create small gaps or channels so water can reach existing drains. This is important in St. Louis because freeze‑thaw cycles will quickly break down standing water areas.
We also help property owners who installed low‑cost plastic or hollow rubber products that shifted under traffic or were torn out by plows during one winter storm along I‑44 or I‑270. In those cases we usually recommend switching to solid anchored rubber or permanent asphalt with clear markings. Where ADA routes are involved, such as near ramps and accessible parking, we make sure bumps and curbs are located so they do not interfere with compliant access.
Planning Your Project With Precision Asphalt St. Louis
Before you approve any speed bump installation, it helps to think through how your property is actually used on busy days. We encourage St. Louis clients to consider delivery truck patterns, peak school or service times, snowplow routes, and how pedestrians walk from parking to doors.
During our site visit, we point out options you might not have considered, like using a combination of speed humps and paint rather than a long row of bumps, or adding a curb island to protect a light pole that has been hit several times. We can phase the work so only part of your lot is closed at any time, which is crucial for medical offices, churches, and retail centers that cannot fully shut down.
Precision Asphalt St. Louis is locally owned, and our crews work in the same neighborhoods where we live and drive. That means we are invested in creating traffic‑calming solutions that feel fair to drivers while protecting kids, customers, and pedestrians. If you are considering new speed bumps, curbs, or other asphalt accessories in the St. Louis, Missouri area, we are ready to visit your site, provide clear recommendations, and deliver a clean, durable installation that fits your property and budget.
