To provide additional and more detailed design guidance to the varied stakeholders engaged in implementing improvements in the 159th Street Corridor, a series of Corridor-Wide Improvement Standards have been developed. The Corridor-Wide Improvement Standards Portfolio(9.3MB) section of the Plan illustrates these in detail.

The Portfolio includes the following sections:

Applying the Principles

which provides a “glossary” of symbols used throughout the Plan, representing the Improvement Standards which support implementation of the Character District Principles. These symbols can also be found throughout the other sections of the Plan, highlighting the application of the Improvement Standards in each Character District and Focus Area.

Key Map for Improvements

which depicts appropriate locations for implementation of lighting improvements, primary gateway features, trail head kiosks and wayfinding signage throughout the 159th Street Corridor study area.

Access and Circulation

which depicts standards for pedestrian priority treatments at private curb cuts, ideal bus stop amenities, and examples of potential cross-site access easement configurations.

Wayfinding and Navigability

which provides examples of potential primary and secondary gateways, municipal identity markers, wayfinding signage and complementary commercial signage.

Lighting

which depicts the appropriate “family” of lighting types to be utilized along the Corridor for visual consistency (with a determination of a mutually acceptable lighting specification to be established at a later time).

Landscape

which depicts standards for street tree placement, landscape buffer treatments, parking lot landscape planters and medians.

Urban Design

which depicts the appropriate “family” of street furniture elements to be utilized along the Corridor for visual consistency (with a determination of a specific manufacturer and style to be established at a later time).

Public Art and Plazas

which provides examples of public art installations and shared public spaces in various contexts which are potentially applicable along the Corridor.

Intersection Standards

which includes a description of key intersection features and design considerations, a series of six (6) Intersection Types represented along the Corridor that address the appropriate level of intersection improvements to implement based upon existing or anticipated traffic levels and multi-modal demands, and a key map assigning these Types to the major intersections along the Corridor.