The following information and downloads are provided as supplemental information to aid contractors and consultants in using and conforming to the Maryland State Highway Administration - Office of Materials Technology Ride Specification (Special Provisions Section 535 - Pavement Surface Profile). In the event of any conflict between the information provided below and the contract documents on a project, the information in the contract documents shall govern and the information below shall be disregarded.
The pay adjustments will be calculated as per Special Provisions Section 535 – Pavement Surface Profile and
(PDF, 90 KB)
For contracts advertised on or before June 15, 2016, the IRI pay targets will be established in accordance with the
Ride Specification Limits Form 10-01-2013
(ZIP, 360 KB)
For contracts advertised after June 15, 2016, the IRI pay targets will be established in accordance with the
Ride Specification Limits Form 06-15-2016
(ZIP, 1.7 MB)
The following test sites, each 0.2 miles in length, are signed for use as Standardization Test Sites
MD 144 (Old National Pike) east of Flintstone Elementary School off of Interstate 68 at Exit #56 to MD 144 National Pike Flintstone. Test section signs are posted in the eastbound direction.
MD 662 (Centreville Road) between Airport Road and Forest Street off of US 50 near the Easton Airport. Test section signs are posted in the northbound direction.
The following guidelines should be followed when submitting Quality Control data as required under Special Provisions Section 535 - Pavement Surface Profile and
(PDF, 75 KB)
Send electronic data files for IRI data to
Please include the SHA contract number in the subject line of the e-mail message. Any other electronic data file formats must include all of the reporting information required under
(PDF, 75 KB) in a DOS Text or ASCII file type.
For more information contact:
Office of Materials Technology
7450 Traffic Drive
Hanover, MD 21076
Toll free: 866-926-8501
8:30 AM - 4:30 PM
707 North Calvert Street
Baltimore, Maryland 21202-3601
Main Business Line – 410-545-0300
Safety Campaigns – 1-800-323-6742
Frequently Asked Questions
Public Information Act