Memorial Day Traffic Impacts in the Washington Region Comparing Average Travel Speeds Before the Holiday Weekend to Typical Conditions Analysis by: National Capital Region Transportation Planning Board May 2015
Technical NotesAverage travel speeds for the three days before
the holiday weekend are fi ve-year averages calculated for each day
using commercially available speed data from 2010 through 2014.
Information on typical May traffi c conditions was calculated using
average speeds for each day during the fi rst three weeks of each
May from 2010 through 2014. The roadways covered in this analysis
include the regions freeways and the following major arterial
highways: US 1 in Virginia, and US 29 and US 301 in Maryland.
Data SourceTraffi c data provided by INRIX, Inc., through the
I-95 Corridor Coalition Vehicle Probe Project.
National Capital Region Transportation Planning
BoardMetropolitan Washington Council of Governments777 N. Capitol
St., NE, Ste. 300Washington, DC 20002202-962-3200 www.mwcog.org
For more details about the TPBs analysis of Memorial Day traffi
c impacts, click here.
About the TPBThe National Capital Region Transportation Planning
Board (TPB) is the metropolitan planning organization (MPO) for the
Washington region. The TPB is responsible for directing the
continuing transportation planning process carried out
cooperatively by the states and the local communities in the
region. The TPB is staffed by the Department of Transportation
Planning of the Metropolitan Washington Council of Governments.
Memorial Day Traffi c Impacts in the Washington RegionComparing
Average Travel Speeds Before the Holiday to Typical Conditions
