These lists provide sources of materials that have been qualified by the Maryland Department of Transportation State Highway Administration (MDOT SHA) for use on State projects. This page is a reference for source of supply approval and does not imply that materials can be used on MDOT SHA projects without normal quality assurance testing and procedures.
Each item was submitted, tested and approved. Approval procedures are listed with each material category. Contact MDOT SHA for additional information.
When a product is approved or corrections are made, an updated copy of the qualified list is posted online. Refer to the date at the bottom of the list (PDF) for the latest update.
Please direct any questions concerning each list to the appropriate product manager. See the related material category Product Qualification Procedure for contact information.
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Traffic Barrier End Treatments Product Qualification Procedures (PDF, 200 KB)
- Qualified Products for Contracts
Advertised After 1/1/2020
- Qualified Products for Contracts
Advertised Prior to 1/1/2020
Traffic Barrier End Treatment Field Guide
The field guide provides detailed information on each of the Approved End Treatment products on MDOT SHA’s Qualified Product List for this asset.
Contacts:
Scott Simons, Office of Maintenance
Phone: 410-582-5565
Email:
SSimons@mdot.maryland.gov
Chris Diaczok, Asset Management Office
Phone: 410-582-5548
Email:
CDiaczok@mdot.maryland.gov
Note
Since December 31, 2019, MDOT SHA has been using MASH 2016-compliant devices for new permanent installations and maintenance replacements on National Highway System (NHS) routes. Exceptions may apply when one of the following occurs:
- A MASH 2016-compliant device does not exist to address the situation; or
- A MASH 2016-compliant device exists but does not meet the state DOT’s needs given project or regional conditions; or
- The device is a temporary work zone device that was in use prior to December 31, 2019 and is still within its normal service life.
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OFFICE OF MATERIALS TECHNOLOGY STRUCTURAL MATERIALS AND PAVEMENT MARKINGS DIVISION
David Malburg, Division Chief
Phone: 443-572-5298 Toll Free: 866-926-8501 Fax: 410-787-0461
Email:
DMalburg@mdot.maryland.gov
Steel Producers, Fabricators and Suppliers
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Steel Producer Qualification Procedures (PDF, 200 KB)
- Qualified Producers, Fabricators and Suppliers
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Aluminum Signs (PDF, 300 KB)
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Bearings, Elastomeric Structural (PDF, 300 KB)
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Bearings, Structural (PDF, 300 KB)
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Bridge Mounted Sign Supports (PDF, 700 KB)
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Deformed Reinforcement Bars: Fabricators (PDF, 300 KB)
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Deformed Reinforcement Bars: Manufacturing Mills (PDF, 300 KB)
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Expansion Joints in Structures, Complex / Finger (PDF, 200 KB)
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Expansion Joints in Structures, Simple (PDF, 200 KB)
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Fiberglass Scuppers (PDF, 200 KB)
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Galvanized Steel Beam Sign Posts (PDF, 200 KB)
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Gray Iron Casting (Scupper, Drain Grate, Inlet) (PDF, 200 KB)
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Lighting Structures (PDF, 200 KB)
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Metal Railing, Bridge Railing (PDF, 300 KB)
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Metal Structures, Bridge Steel (PDF, 300 KB)
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Metal Traffic Barriers: Certified Installers (PDF, 300 KB)
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Metal Traffic Barriers: Manufacturers (PDF, 700 KB)
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Noise Barrier, Steel Post (PDF, 300 KB)
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Overhead Sign Structures (PDF, 200 KB)
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Signal Structures (PDF, 200 KB)
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Steel Frame and Cover (PDF, 300 KB)
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Steel Wire Reinforcement Fabric, Welded (PDF, 200 KB)
Qualified Liquid Coating and Fusion-Bonded Powder Applicators, Manufacturers and Galvanizers
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OFFICE OF MATERIALS TECHNOLOGY QUALIFIED CONCRETE PRODUCERS
Vicki Stewart, Division Chief
Phone: 443-572-5134 Toll Free: 866-926-8501
Email:
VStewart@mdot.maryland.gov
Precast Concrete
- Approval Requirements
- Qualified Producers
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Precast Concrete, Drainage Structures (PDF, 300 KB)
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Precast Concrete, Miscellaneous (PDF, 300 KB)
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Precast Concrete, Pipe (PDF, 200 KB)
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Precast Concrete, Prestressed and Structural (PDF, 300 KB)
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Precast Concrete, Walls (PDF, 200 KB)
OFFICE OF MATERIALS TECHNOLOGY QUALIFIED ASPHALT PRODUCERS
Rebeccah Smith, Assistant Division Chief
Phone: 443-572-5112 Toll Free: 866-926-8501 Fax: 410-787-0482
Email:
RSmith8@mdot.maryland.gov
Asphalt Mixtures
OFFICE OF MATERIALS TECHNOLOGY LANDSCAPING SOIL AND GRADED AGGREGATE BASE PRODUCERS AND AGGREGATE BULLETIN
Dr. Intikhab Haider, Division Chief
Phone: 443-572-5055 Toll Free: 866-926-8501 Fax: 410-787-0464
Email:
IHaider2@mdot.maryland.gov
Soil Materials
Graded Aggregate Base
Aggregate Bulletin (Updated Quarterly)
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OFFICE OF TRAFFIC AND SAFETY (OOTS) QUALIFIED PRODUCTS
Eric Waltman, Office of Traffic and Safety
Phone: 410-787-5878 Toll Free: 888-963-0307 Fax: 410-582-9469
Email:
EWaltman@mdot.maryland.gov
Electrical Accessories
Reflective Sheeting
Traffic Control Materials, Qualified
Traffic Control Materials, Qualified and Temporary
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Traffic Control Materials, Qualified and Temporary Product Qualification Procedures (PDF, 300 KB)
- Qualified Products
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Arrow Panels (PDF, 200 KB)
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Automated Flagger Assistance Device (PDF, 200 KB)
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Barricades (PDF, 400 KB)
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Cones (PDF, 300 KB)
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Drums (PDF, 200 KB)
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Portable Rumble Strips (PDF, 200 KB)
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Portable Traffic Signals (PDF, 200 KB)
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Portable Variable Message Signs (PDF, 200 KB)
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Protection Vehicle Attenuator (PDF, 200 KB)
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Speed Display Trailer (PDF, 200 KB)
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Temporary Concrete Traffic Barriers (PDF, 200 KB)
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Temporary Crash Cushions, Sand Filled Plastic Barrel (PDF, 100 KB)
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Temporary Steel Traffic Barriers (PDF, 100 KB)
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Temporary Traffic Signs (PDF, 200 KB)
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Truck Mounted Variable Message Signs (PDF, 200 KB)
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Tubular Markers (PDF, 200 KB)
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Water Filled Barriers (PDF, 200 KB)
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OFFICE OF STRUCTURES (OOS) NOISE BARRIER SYSTEMS AND RETAINING WALLS
Noise Barrier Systems
Timothy Briner, Transportation Design Engineer
Phone: 410-545-8409 Toll Free: 888-375-1084 Fax: 410-209-5002
Email:
TBriner@mdot.maryland.gov
Contact our Office of Structures (OOS) about approval of noise barrier systems.
Retaining Walls
Prasoon Shrestha, Structures Engineering Division
Phone: 410-545-8887 Toll Free: 888-375-1084 Fax: 410-209-5002
Email:
PShrestha@mdot.maryland.gov
Contact our Office of Structures (OOS) about approval of retaining walls.
Michael Strong, Team Leader, Precast/Prestressed Concrete, Office of Materials Technology (OMT)
Phone: 410-375-1384 Toll Free: 866-926-8501 Fax: 410-787-8324
Email:
MStrong@mdot.maryland.gov
Contact our Office of Materials Technology (OMT) for certification inspections of Precast Noise Barrier System plants.
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