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. See the date at the bottom of the list for the last update.
Direct questions concerning each list to the appropriate manager. See the related qualified process for the contact information.
Kelvin Moulden, New Products Engineer Phone: 443-572-5259 Toll Free: 866-926-8501 Fax: 410-787-0483 Email: KMoulden@mdot.maryland.gov
***NOTE: After December 31, 2019 the Maryland Department of Transportation State Highway Administration (MDOT SHA) will use MASH 2016 compliant devices for new permanent installations and full replacements. NCHRP 350 and MASH 2009 devices may be used when approved by the Contract’s Engineer of Record when:
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David Malburg, Division Chief Phone: 443-572-5298 Toll Free: 866-926-8501 Fax: 410-787-0461 Email: DMalburg@mdot.maryland.gov
Vicki Stewart, Division Chief Phone: 443-572-5134 Toll Free: 866-926-8501 Email: VStewart@mdot.maryland.gov
Rebeccah Smith, Assistant Division Chief Phone: 443-572-5112 Toll Free: 866-926-8501 Fax: 410-787-0482 Email: RSmith8@mdot.maryland.gov
Eric M. Frempong, Deputy Director, Material Quality Phone: 443-572-5269 Toll Free: 866-926-8501 Fax: 410-787-0486 Email: firstname.lastname@example.org
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
Kelly Nash, Division Chief Phone: 410-545-8074 Toll Free: 888-375-1084 Fax: 410-209-5002 Email: KNash@mdot.maryland.gov
Contact our Office of Structures (OOS) about approval of noise barrier systems.
Randy Knieriem, Structures Engineering Division Phone: 410-545-8360 Toll Free: 888-375-1084 Fax: 410-209-5002 Email: RKnieriem@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.
707 North Calvert Street
Baltimore, Maryland 21202-3601
Main Business Line – 410-545-0300
Safety Campaigns – 1-800-323-6742
For emergencies, call MDOT SHA's Statewide Operations Center at 410-582-5650.
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