District Mapping Sessions- Definitions / Acronyms

District Mapping Sessions Definitions and Acronyms May/June 2013

The following are definitions and acronyms of commonly used terms related to district mapping conversations:

1. Comprehensive Plan Update and Periodic Review – Portland’s Comprehensive Plan helps the City prepare for and manage expected population and employment, as well as plan for and coordinate major public investments. The Comprehensive Plan has been amended several times since it was adopted in 1980 but it has never been updated as a whole. Portland is now updating the entire Comprehensive Plan for the next 20 years. Portland is updating its Comprehensive Plan, as required by the State of Oregon, through a process called “periodic review”. The fundamental purpose of periodic review is to ensure that cities’ comprehensive plans are:

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Updated to respond to changes in local, regional and state conditions, Coordinated with other comprehensive plans and investments, and In compliance with the statewide planning goals, statutes and rules.

2. Transportation System Plan (TSP) – The TSP includes the City’s 20year plan for transportation improvements and transportation policies. The purpose of the TSP is to guide the maintenance, development and implementation of Portland’s transportation system. It also implements State and Regional plans and regulations.

3. Citywide Systems Plan (CSP) – A list of significant projects that describe major public facilities, such as streets, sidewalks, stormwater systems and parks, needed to support future development.

4. Urban Design Framework – A map of the city that illustrates the direction and future aspirations for the city’s physical environment, identifying areas of change and future connections, along with major built, natural and cultural features.

5. Pattern Areas – Portland is defined by five broad “pattern areas” defined by characteristics such as: topography and physical features, streets and block patterns, form and intensity of development, character of landscape, time period in which the area was developed, and land use.




Town Centers – Town centers serve a number of neighborhoods, or districts, providing a wide range of commercial, employment and community services. Town Centers also play an important role in accommodating growth. Many town centers in Portland are already designated in the Metro 2040 Growth Concept.

Neighborhood Centers – Neighborhood centers are smaller and primarily serve adjacent neighborhoods and provide opportunities for additional housing and lowrise commercial and mixed use buildings. Neighborhood centers have aPage 2

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District Mapping Sessions Definitions and Acronyms May/June 2013

central role in helping achieve more “complete communities” where Portlanders have the option of meeting their daily needs within a walking distance of home.


8. Civic Corridor – the city’s most prominent streets, and often the widest. They connect centers, help unify the city and region, and have the potential to be distinctive places of community pride.

9. Neighborhood Corridor connect neighborhoods with each other and with other parts of the city. Some Neighborhood Corridors serve as the anchor of activity within a Town or Neighborhood Center

10.Greenways – make up an accessible system of pedestrian and bikefriendly green streets and trails that link centers, parks, schools, natural areas, and other key community destinations.

11.Habitat Corridors – are a system of habitat connections and linked tree canopy that benefit people and wildlife by weaving nature into the city and connecting large natural areas. Habitat Corridors range from streams and the associated tree canopy to broad swaths of habitat such as Forest Park.


12.Urban Center Stations provide access to a mixeduse center or corridor. These areas are the greatest priority for housing development because they provide access to both highquality transit and services.

13.Neighborhood Stations provide access to a primarily residential area with highdensity housing. Areas within 1⁄2 mile of the stations are the focus for housing development to expand opportunities for people to live close to high quality transit.

14.Employment Stations provide access to employment areas, serving areas with concentrations of jobs and commercial uses. Residential development is not an important component.

15.Commuter Stations provide multimodal connections to light rail (bus connections, bike access, parkandride facilities, etc) but do not play a major role in accommodating residential or employment growth.

16.Destination stations provide access to regionally important places, such as the Portland Zoo, the Airport, or Cascade Station. Housing and employment is not an important component.