Submitted by the General Services Administration

Preliminary Site Development Plans

NCPC File #: 7624

St. Elizabeths West CampusI-295 /Malcolm X Interchange Improvement Project

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Project Information

Project summary:The General Services Administration submitted for preliminary approval an access roadway project associated with theSaint Elizabeths West Campus development. This project consists of the following:

• An Off-Site Access Road through Shepherd Parkway connecting to the previously approved and constructed On-SiteAccess Road and connecting to an improved I-295/Malcolm X Interchange;

• Two retaining walls support the Off-Site Access Road: The retaining wall along the eastern side (adjacent to ShepherdParkway) is designated RW-1 and the retaining wall along the western side (between NB I-295 and the Off-Site AccessRoad) is designated RW-2. These wall heights range from less than 5 feet to as tall as 20 feet.

• I-295 Malcolm X interchange improvements, inclusive of six new bridges, one existing bridge widening, and additionalretaining walls to accommodate access to the Off-Site Access Road. These wall heights range from less than 5 feet toup to 32 feet.

• 80% of the retaining walls are less than 15 feet. The other 20% are between 15 and 32 feet.• Landscape, lighting, signage, utilities and site work within the Limits of Disturbance (LOD) associated with the

construction of these Off-Site Transportation Improvements.• More than a mile long and• Requires a land transfer from NPS

Commission meeting date: May 7, 2015

NCPC review authority: USC 40 8722 (b)(1) and (d)

Applicant request: Preliminary site development approval

Delegated / consent / open / executive session: Open

NCPC Review Officer: Hart

NCPC File number: 7624

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Project Location

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Existing Conditions

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Project Area

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Limits of Disturbance

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Wall Heights – Northern Section

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Wall Heights – Middle Section

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Wall Heights – Southern Section

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Landscape Design Concept

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Roadway Landscaping

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Roadway Landscaping

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Roadway Landscaping

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Roadway Section with Landscaping

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Roadway Section with Landscaping

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Area of Potential Effects

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Detail Section

Design specifics:• Three 11-foot travel

lanes• 10-foot shared use

path• Handrails, fencing,

lighting• Bio-retention areas

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View Simulation – Westward along Malcolm X Avenue

Existing View Proposed View

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View Simulation – Looking eastward from JBAB

Existing View Proposed View

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Section

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Proposed Signage

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Proposed Lighting