Page 238 - TransportationPlanUsetsGuide

Traffic Impact Fee (TIF) – A former tax on development levied countywide, paid at the time of building permit,
and used toward traffic improvements. This was the precursor of the Transportation Development Tax.

Transit – This term refers to publicly funded and managed transportation services and programs within
the urban area, including light rail, regional rapid bus, frequent bus, primary bus, secondary bus, minibus,
paratransit and park-and-ride.

Travel Demand Management (TDM) – Actions which are designed to change travel behavior in order to
improve performance of transportation facilities and to reduce need for additional road capacity. Methods
may include, but are not limited to, the use of alternative modes, ride-sharing and vanpool programs,and trip-
reduction ordinances.

Transportation Development Tax (TDT) – A System Development Charge (SDC) levied countywide on develop-
ment that replaced the Traffic Impact Fee, paid at time of building permit, and used toward transportation
capital improvements.

Transportation Disadvantaged – Individuals who have difficulty accessing, using or affording transportation
because of their age, income, physical or mental disability.

ADOPTED TEXT and/or public agencies dedicated to reducing traffic congestion and pollution and improving commuting op-
Transportation Management Association (TMA) – This term refers to non-profit coalitions of local businesses

tions for employees.

Transportation Planning Rule (TPR) – The implementing rule of statewide planning goal#12 dealing with
transportation, as adopted by the state Land Conservation and Development Commission (LCDC). Among its
many provisions, the rule includes requirements to preserve rural lands, reduce vehicle miles traveled (VMT)
per capita by 20 percent in the next 20 years, reduce the number of parking spaces and to improve mutli-
modal transportation systems.

Transportation System Management and Operations (TSMO) – Strategies and techniques for increasing the
efficiency, safety, capacity or level of service of a transportation facility without major new capital improve-
ments. This may include signal improvements, intersection channelization, access management, HOV lanes,
ramp metering, incident response, targeted traffic enforcement and programs that smooth transit operations.

TriMet – Tri-County Metropolitan Transportation District, which is the primary transit provider for most of
Clackamas, Multnomah and Washington counties.

Urban Growth Boundary (UGB) – The legally defined boundaries adopted by WashingtonCounty, Metro or
appropriate incorporated cities, and acknowledged by LCDC, which identify and separate urbanized land from
rural and natural resource land.

Urban Reserves – means lands outside an urban growth boundary that will provide for: (a) future expansion
over a long-term period; and (b) the cost-effective provision of public facilities and services within the area
when the lands are included within the urban growth boundary.

218 APPENDICES
Effective November 27, 2015 • Updated December, 15 2016