A vehicle approaching a Delta Scientific surface-mounted barrier system with a boldly striped 'STOP' barrier arm, demonstrating the effective use of visual deterrents for secure facility access control.

SURFACE MOUNTED

Surface Mounted Wedge Barricades

Delta’s surface mounted wedge barricades feature quick installation into difficult locations such as parking structure ramps or areas with sub-surface drainage problems. These barricades are lowered to allow passage of authorized vehicles and are available in widths up to 240 inches (6096 m). They are crash rated. Surface mounted barricades are very easy to install and provide high security vehicle access control system for banks, city and federal government offices, museums, corporate buildings, factories, oil refineries, railway, airport and other transportation hubs as well as other facilities threatened by truck bomb attack, errant drivers or car-crashing thieves.

With fast installation, shallow or no foundations, low maintenance, certified compliant to industry standards, and all weather operation, Delta Scientific leads the industry with these surface mounted wedge barriers.

A black pickup truck passing through a Delta Scientific vehicle access control point, featuring a surface-mounted barrier system with striking red and white stripes, under a clear directional arrow indicating the correct route for secure entry.
  • High Security Vehicle Barriers DSC550 | Delta Scientific

    Shallow Foundation Barricade – DSC550 – Certified M50/P1

    • Certified M50 / P1 (ASTM F2656-20)

    • Shallow foundation depth of ~24 inches (≈610 mm)

    • Open-frame design with a counter-balance mechanism

    • Available in widths from 10′ to 16′ clear opening

    • Rapid operation


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  • Delta Scientific DSC1425 Shallow Foundation

    Surface Mounted Barricade – DSC1425 – Certified M30/P1

    • Certified M30 / P1

    • True surface-mount design

    • Single buttress layout

    • Barrel-style ramp plate rises 24.5″

    • Ideal for retrofit sites, parking decks or areas with underground utilities


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  • TW4030 Parking Lot Barricade in Los Angeles | Delta Scientific Corporation

    Surface Mounted Barricade – TW4030

    • Surface-mounted, dual-buttress wedge barricade

    • Barrier height of 21 inches (≈53 cm)

    • Standard clear-opening width around 12 ft (3.66 m)

    • Designed for fast install with minimal excavation

    • Built for high-security conditions


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  • TW4030 and TW2015 Parking Lot Barricades in Los Angeles | Delta Scientific Corporation

    Surface Mounted Barricade – TW2015

    • Surface-mounted

    • Features a 120-inch (≈3,048 mm) moving ramp

    • Crash rated and engineered for intermediate-security applications

    • Heavy steel ramp plate

    • Designed for quick installation


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  • DSC1450 Surface Mounted Security Solution | Delta Scientific Corporation

    Surface Mounted Barricade – DSC1450 – Certification M30

    • Certified via engineering analysis to M30 level

    • True surface-mounted installation

    • Rapid installation

    • Self-contained programmable drive system

    • Ideal for retrofit or constrained sites


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  • DSC1200 Surface Mounted Solution | Delta Scientific Corporation

    Surface-Mounted Barricade – DSC1200 – K4 Crash Rated

    • Certified K4 (U.S. Dept. of State)

    • Certified K8 (Delta Scientific internal rating)

    • True surface-mounted installation

    • Ideal for challenging sites

    • Plug-and-play high-security access control


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  • TT207SFM | Delta Scientific

    Wedge Barricade – TT207SFM – K12 Crash Rated

    • K12 certified

    • Surface-mounted or shallow-foundation

    • Heavy-duty hydraulic system

    • Supports 12–24 ft clear openings

    • Built for high-security sites


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Security News

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    Beam Barricades: When One Is Too Much and Also Not Enough

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    Delta Scientific has been designing, testing, and manufacturing beam barricades for decades. We have a strong line of products installed around the world. It is no…
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    M30 vs M50 Bollards: Mapping Threat Levels to Real Facilities

    August 21, 2026

    Learn when M30 vs M50 bollards make sense based on approach speed, site geometry, asset value, and ASTM F2656 crash-performance context.
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