fairfax county tdm program

County of Fairfax, VirginiaCounty of Fairfax, Virginia

Board Transportation Committee September 16, 2014

Jeff Hermann & Maheen AzizFairfax County Department of Transportation

County of Fairfax, Virginia

Presentation presented in response to Board questions regarding TDM programs & their effectiveness

Department of Transportation 2


What is Transportation Demand Management (TDM)?: Reducing the Use of Single Occupancy Vehicles



TDM in the Region vs Fairfax County

*NOTE: Data is pre-Silver Line and prior to the reduction of the transit benefit from $245 to $130.http://www.mwcog.org/transportation/weeklyreport/2013/files/09-17/TPB-Presetnation_2013_StateOfTheCommute.pdf


MWCOG Monitors Region TERM Daily Vehicle Trips

Reduced

Daily VMT Reduced

Telework Assistance 20,774 375,913

Guaranteed Ride Home 7,104 196,080

Employer Outreach (All) 83,776 1,383,990

Mass Marketing 10,317 175,117

Commuter Operations Center (ridematching)

9,207 251,579

• Survey conducted by MWCOG every three years

• Hire a consultant to collect data

• Surveys are conducted by interviewing individuals about their trips

• Provides impact of TDM for the region

• Employer Outreach (All) encompasses new or expanded employer services since July 2011 and Employer Outreach for Bicycling



Effectiveness of TDM Strategies

*Note: Reductions in trips full list provided in handoutDepartment of Transportation

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Effectiveness of TDM Strategies Cont’d: Cambridge Study Systematic



TDM Roles & Responsibilities



FCDOT TDM Efforts: Proffer Standardization


TDM Proffer Terminology


FCDOT TDM Efforts: Proffer Standardization• Trip Reduction Goals Approved by the

Board– Standardized method to set trip reduction goal specific to site location

and characteristics



FCDOT TDM Efforts: Proffer Terminology Cont’d• Developer Contribution

*TMA – Transportation Management Association


FCDOT TDM Efforts: Proffer Terminology Cont’d



• TDM Work Plan & Annual/Biannual Reports – vary per

development characteristics

FCDOT TDM Efforts: Proffer Compliance



FCDOT TDM Efforts: County Examples

• Currently monitoring ~62 developments across Fairfax County• At this time, no development has failed proffered trip reduction


FCDOT TDM Efforts: Marketing & Outreach• Employer

Outreach– Employer Meeting

Engaging with employees

• Residential– Property Manager

Meetings




FCDOT TDM Efforts: Recognition

fairfax county tdm program

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