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Control traffic and protect property with speed bump installation in Dearborn, MI. We install asphalt speed humps, curbs, and parking lot accessories that slow vehicles, guide drivers, and enhance safety throughout your site.
Precision Asphalt Detroit provides professional speed bump installation throughout Dearborn, MI, Michigan and the surrounding area. Our licensed, insured crew delivers safe, clean, on-time work with a free estimate before anything begins. Call (313) 889-7046 or request your free quote.
Speed bump installation and traffic control for Dearborn properties
If you manage a parking lot, private drive, or residential community in Dearborn, you already know how fast traffic can move when drivers cut through. Precision Asphalt Detroit designs and installs speed bumps that actually slow people down without beating up their vehicles.
Our process starts with a quick walk-through of your property. We look at driveway entrances, blind corners, pedestrian crosswalks, and where near-misses or fender benders tend to happen. For many Dearborn businesses, the most effective locations are near building entrances, crosswalks, loading zones, or where cars transition from a public street into a private lot.
Next, we talk about the type of speed control you need. For most commercial parking lots, we recommend rounded asphalt speed bumps or wider speed humps that are easier for delivery trucks and plow trucks to handle. For tight residential lanes or alleys, we may suggest higher-profile bumps that bring speeds down closer to 10 to 15 mph.
Because this is Michigan, we design every speed bump with snow, plowing, and freeze-thaw cycles in mind. That means tapering the approach and exit, making the profile plow-friendly, and using mixes and compaction methods that stand up to winter scraping. We also coordinate placement so plow drivers can work around the bumps instead of destroying them in the first season.
By the time we are done, you get a speed bump layout that actually fits how traffic moves on your property, not just a stripe of asphalt in the middle of the lane.
How we install durable speed bumps that survive Michigan winters
When we schedule speed bump installation with you, we plan around Dearborn weather and your business hours. Most jobs can be done in a day, often with partial access still open.
1. Layout and marking: We mark the exact bump location, width, and height based on agreed plans. We also confirm drainage paths so the bump does not trap standing water that can freeze and break down the pavement.
2. Surface prep: If we are installing on existing asphalt, we clean and dry the area, remove any loose or broken material, and tack coat the surface so the new bump bonds to the old pavement. If the existing asphalt is in bad condition, we may mill a shallow trench so the bump can be tied in flush at the edges.
3. Asphalt placement: We use hot mix asphalt suitable for Southeast Michigan conditions. Our crew places the material in controlled lifts, then shapes the crown and tapers to your specified height and length. Typical bumps in Dearborn lots are 3 to 4 inches high with 3 to 6 foot tapers, but we adjust based on your vehicles and target speed.
4. Compaction: Using vibratory rollers and hand tampers, we compact the bump so it is dense and smooth. Proper compaction is what keeps a bump from raveling or flattening out after a few seasons of traffic and cold weather.
5. Striping and signage: After the asphalt has cooled enough, we apply high visibility markings. In most Dearborn lots that means bright yellow or white stripes across the bump, optional chevrons, and “BUMP” or “SLOW” pavement legends. We can also install matching speed limit and warning signs on posts so drivers have plenty of notice, even in snow or at night.
We will walk the site with you when we are done, explain curing time, and give you realistic expectations on when heavy traffic and plows can safely cross the new work.
Curbs, islands, and edge control that keep lots organized
Speed bump installation is only part of controlling traffic. Precision Asphalt Detroit also designs and installs asphalt and concrete curbs, islands, and other accessories that keep vehicles where they belong.
Curbs and islands do a lot more than look neat. They separate parking from drive lanes, protect pedestrians, guard light poles and signage, and help manage water flow during heavy Dearborn rain. Depending on your site, we may recommend:
• Asphalt curb: Formed directly from hot mix asphalt. These are common in industrial or back-lot areas where function matters more than appearance.
• Concrete curb and gutter: Ideal at entrances, perimeter edges, and where drainage is critical. The gutter line helps channel water to catch basins so you do not end up with ice sheets where customers walk.
• Parking lot islands: Raised islands to protect landscaping, light poles, or sign posts. These can be built in asphalt or concrete, then finished with topsoil, stone, or plantings.
Installation usually involves saw cutting or milling the existing pavement edge (if we are adding curbs to an existing lot), excavating to the proper depth, setting forms for concrete or shaping for asphalt, then placing and compacting the material. With Dearborn’s freeze-thaw cycles, we pay close attention to base preparation and drainage so curbs do not heave or crack prematurely.
If you constantly deal with cars cutting across spaces, hitting building corners, or driving into landscaped areas, well-placed curbs and islands are often cheaper and more effective than policing driver behavior.
Asphalt accessories that complete a safe and clear parking layout
Beyond speed bump installation and curbs, there are a number of small but important details that make a Dearborn parking lot feel organized and safe. Precision Asphalt Detroit can handle these accessories at the same time we are on site for paving or maintenance so you are not coordinating multiple contractors.
Common accessories we install or replace include:
• Wheel stops: Concrete or recycled rubber stops to keep vehicles from rolling into sidewalks, walls, or fences. We anchor these into the asphalt so they do not shift under repeated bumping or plow contact.
• Bollards and post sleeves: Steel posts set in concrete footing, often with bright plastic sleeves, placed near storefronts, loading docks, and gas lines. These protect property and pedestrians from low-speed collisions.
• Sign footings and bases: We set posts in concrete or bolt them to steel bases that sit on the asphalt. That includes stop signs, accessible parking signs, and “no parking” or directional signage.
• Drainage grates and collars: Around catch basins, we repair the asphalt collar and set the grate height so vehicles do not bottom out and water flows correctly. This is especially important in older Dearborn lots where past overlays have buried part of the curb or changed water paths.
Integrating these pieces with your speed bumps and curbs gives you a lot that feels intuitive. Drivers can see where to go, where to stop, and how fast to travel, which reduces collisions and complaints from tenants or customers.
What affects cost, timing, and long-term performance in Dearborn
Most property owners want to know two things up front: what will it cost and how long will it last. With speed bump installation, curbs, and accessories, the total price depends on a few key factors.
Number and size of features: A single bump and a few wheel stops cost far less than a coordinated package with multiple bumps, concrete islands, and bollards. Height and width also matter, because taller or longer bumps take more material and labor.
Condition of existing asphalt: If your pavement is structurally sound, we can usually build on top of it after cleaning and tack coating. If it is cracked, alligatored, or heavily rutted, we may need localized patching or milling first. Investing in small repairs before installation can save you from having to remove and rebuild failed bumps later.
Material choices: Concrete curbs and gutters cost more up front than asphalt curbs but often last longer and perform better in areas with heavy water flow or snow activity. Rubber speed bumps, which we also offer in some settings, can be practical for temporary or private residential applications but are not always the best choice for heavy truck traffic.
Access and staging: Busy retail centers in Dearborn often need work done outside business hours or in phases. Night or weekend work, though sometimes necessary, can modestly increase cost because of labor scheduling and lighting needs.
Season and weather: In Southeast Michigan, the best time for this work is typically late spring through early fall when daytime temperatures are warm enough for proper asphalt compaction and paint curing. We avoid paving right before a hard freeze or heavy rain, which can weaken the bond and shorten the life of the installation.
When you contact Precision Asphalt Detroit, we will walk your site, take measurements, and give you a clear written proposal that outlines locations, dimensions, materials, and any alternatives that might fit your budget. We are always happy to explain why we recommend a certain speed bump height, curb style, or accessory, so you can make an informed decision that balances safety, cost, and durability for your Dearborn property.
