US 29 Corridor Mobility Study
Montgomery County, Maryland

Sabra & Associates, Inc. was tasked with evaluating the feasibility of a managed lane network (Bus Rapid Transit and HOV) along US 29 from the Howard County line to downtown Silver Spring.


  • Traffic Engineering
  • Transit Operations


Work Efforts included:

  • Compilation / collection of existing transportation data including intersection and daily traffic counts, lane by lane utilization, signal timing, vehicle occupancy, bus routes and stops and bus ridership
  • Evaluated opening year traffic operations
  • Considered multiple scenarios including buses and right turns, buses and right turns and HOV2+, buses and right turns and HOV3+
  • Evaluated person throughput
  • Evaluated transit travel time improvements
  • Performed Synchro and VISSIM traffic simulation
  • Developed alternatives, concept designs, and costs to improve traffic operations under a managed lane condition
  • Presented findings to DOT leadership, and MTA and SHA stakeholders
  • Prepared technical memorandum documenting methodology and findings
  • Prepared cost-benefit analysis in support of a winning $10 Million TIGER Grant

Columbia, Maryland

7055 Samuel Morse Drive
Suite 100
Columbia, MD 21046
Phone: 443-741-3500
Fax: 443-741-3700

Baltimore, Maryland
300 East Lombard Street
Suite 840
Baltimore, MD 21202

Phone: 443-741-3500
Fax: 443-741-3700

Baltimore, Maryland
1502 Joh Avenue
Suite 100
Baltimore, MD 21227

Phone: 410-536-3653
Fax: 410-536-3654

Washington, D.C.

100 M Street SE
Suite 550
Washington, DC 20003

Phone: 202-570-7080
Fax: 202-697-5007

Vienna, Virginia

8150 Leesburg Pike
Suite 630
Vienna, VA 22182

Phone: 703-942-8990


2019 Sabra & Associates, Inc. | All rights reserved | Employee Login | Contact us