Trenton Street Residential 1 Site Location 2 Multimodal Traffic - - PowerPoint PPT Presentation

Wesley Housing Development Corporation

Trenton Street Residential

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Site Location

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Multimodal Traffic Study Summary

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Existing Conditions (2017) ▪ 13 study intersections.

• Scoped with Arlington County DES staff

▪ All study intersections currently operate at overall acceptable levels of service during AM & PM peak hours. Development Program & Trip Generation Development Program: 19 Townhouses and 117 Dwelling Units (Apartments) Retain Existing 63 Units in Whitefield Commons Site Trips: 53 AM Peak Hour Trips and 68 PM Peak Hour Trips (Assumes a 30% non-auto adjustment) Future Traffic Forecasts (2020) ▪ Buildout year of site assumed to be 2020. ▪ Future traffic forecasts include a 0.5 percent growth rate. Summary of Results/Improvements ▪ The redevelopment would have a negligible overall impact on the adjacent roadway network. ▪ Under future conditions with redevelopment, the study intersections would continue to operate at overall acceptable levels of service. ▪ New streetscape on Service Road adjacent to Multifamily building. ▪ New streetscape and sidewalks along N. Trenton Street. ▪ New curb extension and marked crosswalk at Service Road/N. Trenton Street intersection.

Multimodal Facilities

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11 Docks 15 Docks

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Existing and Proposed Vehicular Access Points

North Thomas Street North Trenton Street

Vehicular Circulation

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Pedestrian Circulation

North Thomas Street North Trenton Street

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North Trenton Street Section

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Arlington Blvd Service Road Section

Parking and Loading Summary

GLUP Designation Low-Medium Residential Current Zoning RA8-18: 2.97 acres R-6: 0.98 acres Proposed Zoning RA8-18: 3.22 acres R15-30T: 0.74 acre Loading 2 Loading Berths (Multi-Family Building)

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Vehicular Parking Summary Townhouses1: 42 spaces Apartments2: 104 spaces Compact: 31 spaces (30%) Whitefield Commons3: 43 spaces Total: 189 spaces Parking Ratio Townhouses: 2.20 spaces/unit Apartments: 0.89 spaces/unit Whitefield: 0.68 spaces/unit Bicycle Parking 48 Spaces – Long Term 6 Spaces – Short Term

Notes: 1. Townhouse spaces are a combination of 38 garage spaces (2 per unit) and four (4) surface spaces for visitors. 2. Apartments would be served by structured parking. 3. Whitefield Commons is served by existing surface parking.

Additional Parking Considerations

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Arlington County Off-Street Parking Policy

City of Alexandria

Affordability of Housing Unit Minimum Spaces per Unit (Ratio) 60% of AMI 70% of market-rate minimum (0.70) 50% of AMI 50% of market-rate minimum (0.50) 40% of AMI 0 (0.00) Affordability of Housing Unit Parking Ratio 60% of AMI 0.75 space/unit 50% of AMI 0.65 space/unit 30% of AMI 0.50 space/unit

Note: Additional credits allowable for sites proximity to metro or BRT stops, walkability index score, nearby bus routes, and amount

• f studio units within development.

Vehicles per Household (Rental) Percentage No Vehicle 53% 1 Vehicle 38% 2 Vehicles 9% 3 Vehicles 0% 4 or More Vehicles 0% Total 100% Average Parking Ratio 0.56 space/unit

US Census Data

Source: Information based on American Fact Finder; 2012-2016 American Community Survey of Renter Occupied household by vehicles available. Census Tract 1020.03. Area bounded by 4th Street N., N. Oakland Street, Arlington Boulevard, and N. Henderson Road. Source: Off-Street Parking Policy for multi-family development in the Rosslyn-Ballston Corridor and Route 1 Metro corridors.

Recently Approved Affordable Developments

Development Units Parking Spaces Parking Ratio Distance to Metro Berkeley 257 240 0.93 1.35 miles

Parking Ratio Comparison

0.7 0.75 0.56 0.93 0.68 0.89 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 Parking Ratio (Spaces/Unit)

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Code Requirement

On-Street Parking Restrictions

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Preliminary Transportation Demand Management (TDM) Plan

Physical Facilities and Improvements

• Streetscape Improvements along the Arlington Boulevard service drive (western portion) and N.

Trenton Street. The existing streetscape on N. Thomas Street is proposed to remain.

• Installation of crosswalk and bump-out at the Arlington Boulevard service drive and N. Trenton Street

intersection.

• Bicycle parking/storage facilities within the multi-family building.
• Transportation information display within the multi-family building.

Promotions, Services, Policies

• Provide a one time, per person, the choice of a Smartrip card, one year bikeshare membership, or one

year carshare membership.

• Distribute new-resident packages.
• Provide reference to Ballston-MU Metro station and local bus routes in promotional materials and

advertisements for the building.

• Participate in regionally sponsored traffic mitigation promotions.
• Assist the County in implementing a transit-advertising program.

Performance and Monitoring

• Conduct a transportation performance monitoring study at two (2) years and five (5) years after

issuance of first Certificate of Occupancy.

• Submit an annual report to the County describing TDM related activities.

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Thank You

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Rendered Site Plan

North Thomas Street North Trenton Street

Parking Garage Layout

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Level P1 Level P2 (Ground)

Bike Room Garage Entrance

Truck Turning Diagram (SU-30)

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Truck Turning Diagram (Garbage)

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Census Tract 1020.03

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