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Table 3.4-2 Phasing of Transportation Infrastructure Improvements and Associated Development Potential – North of Waterway1

PM Peak Hour Outbound Vehicles

Development in Millions of sf

Project Sequence

On-Site Improvements

Off-Site Mitigation2

Existing Development to Remain

2018 Proposal New Development

Proposed Infrastructure Threshold3

Remaining Trip Capacity

Existing Development to Remain

2018 Proposal New Development

Approximate Infrastructure Capacity4,5

Remaining Infrastructure Capacity

Existing Street Network (with continued Industrial Usage)6

230

400

170

0.35

0.6

0.25

Phase 1: Activate Downtown Waterfront Area (See Table 3.7-2)

230

30

400

140

0.35

0.08

0.6

0.17

Phase 2: Activate Cornwall Beach (See Table 3.7-2)

230

75

400

95

0.35

0.15

0.6

0.1

Phase 3: Bay Street Connection to Downtown (See Table 3.7-2)

230

105

400

65

0.35

0.2

0.6

0.05

Phase 4: Activate Marine Trades Area and Marina

4.1

Upgrade F Street (including signal at Roeder Avenue) to new Maple Street

Designated Truck Routes Plan

4.2

Construct Maple Street and Chestnut Street within Marine Trades

Develop plan for Holly Street Striping, Access, Channelization, and Parking. Coordinate with Old Town Planning.

230

215

550

105

0.35

0.35

0.8

0.1

Phase 5: Rail Relocation and Full Build-out of Downtown Area

5.1

Upgrade C Street at Roeder Avenue including signalize and turn lanes along C Street

Signalize C Street intersection with Holly Street and provide turn lanes along C Street.

750

0.35

1.1

5.2

Upgrade Hilton Avenue at Roeder Avenue including traffic signal and turn lanes along Hilton Avenue

Upgrade Roeder Avenue between Hilton Avenue and C Street with additional drop/turn lanes at major intersections.

1,000

0.35

1.5

Improve Holly Street from F Street to Champion Street to provide turn lanes or restrict movements at intersections and enhanced pedestrian facilities (Based on Holly Street Striping, Access, Channelization, and Parking Plan).

230

755

1,150

165

0.35

1.15

1.7

0.2

Source: Transpo Group, March 2018

1.    The infrastructure phasing addresses the Marine Trades Area separate from the Downtown Waterfront, Log Pond, Shipping Terminal, and Cornwall Beach Areas.

2.    The off-site mitigation represents those improvements needed to support the redevelopment.

3.    Outbound vehicle trips represent peak direction of travel during the PM peak hour. This threshold represents the number of weekday PM peak hour trips that could be accommodated without additional infrastructure.

4.    Approximate square footage is provided for reference and is based on the average outbound vehicle trip rate of 660 trips per 1.0 million square feet related. This is based on an average rate as seen from the 2018 Sub-Area Plan analyzed and assumes mode splits consistent with the 2008 EIS. Depending on the land use mix, the actual square footage of the development that can be accommodated could be higher or lower than shown. The PM peak hour outbound vehicle trip threshold should be used to evaluate infrastructure needs and not the development square footage.

5.    The capacity assumes that infrastructure is constructed or planned such that 1) the city has completed design of infrastructure; 2) the city has secured financial commitments; and 3) the infrastructure will be constructed within a three-year period and/or transit service is actively available to new development within the Waterfront District.

6.    The existing street network has 0.5 million square feet of development capacity assuming areas of the site are utilized for industrial development.

Table 3.4-3 Phasing of Transportation Infrastructure Improvements and Associated Development Potential – South of Waterway1

PM Peak Hour Outbound Vehicles

Development in Millions of sf

Project Sequence

On-Site Improvements

Off-Site Mitigation 2

Existing Development to Remain

2018 Proposal New Development

Threshold 3

Remaining Trip Capacity

Existing Development to Remain

2018 Proposal New Development

Approximate Infrastructure Capacity 4,5

Remaining Infrastructure Capacity

Existing Street Network (with continued Industrial Usage) 6

130

9755

845

0.22

1.75

1.48

Phase 1: Activate Downtown Waterfront Area

1.1

Rebuild temporary Central Avenue

130

190

475

155

0.22

0.5

1.2

0.48

1.2

Construct Granary Avenue to Laurel Street

Signalize intersection at Granary Avenue and Roeder Avenue

130

190

750

430

0.22

0.5

1.8

1.08

1.3

Build Laurel Street to Cornwall Avenue, including at-grade crossing along Laurel Street and Cornwall Avenue

130

190

750

430

0.22

0.5

1.8

1.08

Phase 2: Activate Cornwall Beach

2.1

Construct local roads off Granary Avenue and Laurel Street including connection to Cornwall Beach

Transit Strategy and Facilities Plan Traffic signal at Laurel Street/Cornwall Avenue

130

380

1,025

515

0.22

1.0

2.5

1.28

Phase 3: Infill in Downtown Area

3.1

Bay Street Parking Garage

Signalize Bay Street/Chestnut Street

130

620

1,425

675

0.22

1.6

3.5

1.68

3.2

Complete construction local roads in Downtown Area

130

620

1,500

750

0.22

1.6

3.6

1.78

Phase 4: Activate Marine Trades Area and Marina (see Table 3.7-1)

130

890

1,500

610

0.22

2.25

3.6

1.13

Phase 5: Rail Relocation and Full Build-out of Downtown Area

5.1

Cornwall Bridge closed to relocate BNSF railroad

Provide a northbound left-turn lane and shared through/right-turn lane, and upgrade traffic signal at Cornwall Avenue/Chestnut Street.

130

1,430

1,100

-330

0.22

3.58

2.77

-1.1

5.2

Rebuild Cornwall Bridge with three lanes

Right turn drop lane along Cornwall Avenue at Maple Street.

Signalize Maple Street/Cornwall Avenue, Maple Street/State Street, Maple Street/Forest Street and upgrade Maple Street with shared lanes and enhanced pedestrian facilities.

130

1,430

2,050

620

0.22

3.58

5.0

1.2

Source: Transpo Group, March 2018

1. The infrastructure phasing addresses the Marine Trades Area separate from the Downtown Waterfront, Log Pond, Shipping Terminal, and Cornwall Beach Areas.

2. The off-site mitigation represents those improvements needed to support the redevelopment.

3. Outbound vehicle trips represent peak direction of travel during the PM peak hour. This threshold represents the number of weekday PM peak hour trips that could be accommodated without additional infrastructure.

4. Approximate square footage is provided for reference and is based on the average outbound vehicle trip rate of 410 trips per 1.0 million square feet related. This is based on an average rate as seen from the 2018 Sub-Area Plan analyzed and assumes mode splits consistent with the 2008 EIS. Depending on the land use mix, the actual square footage of the development that can be accommodated could be higher or lower than shown. The PM peak hour outbound vehicle trip threshold should be used to evaluate infrastructure needs and not the development square footage.

5. The capacity assumes that infrastructure is constructed or planned such that 1) the city has completed design of infrastructure; 2) the city has secured financial commitments; and 3) the infrastructure will be constructed within a three-year period and/or transit service is actively available to new development within the Waterfront District.

6. The existing street network has 1.7 million square feet of development capacity assuming the southwestern areas of the site are utilized for industrial development, using available capacity on both Cornwall Avenue and Wharf Street.

7. The total on-site capacity would be capped at 1,100 outbound PM peak hour vehicles (approximately 2.7 million square feet) while the Cornwall Bridge is rebuilt and the railroad is relocated to accommodate anticipated traffic generation within the adopted LOS standards during construction. Alternatively, the city could allow arterials serving the site to temporarily experience higher levels of vehicle traffic congestion. Consideration should be given to traffic safety and impacts on all modes to and from the site if this were to occur. Impacts could be evaluated through the biennial monitoring.

[Ord. 2019-12-040 § 6 (Exh. 2)].