Downtown Bellevue Station

Transcription

1 Downtown Bellevue Station Downtown Tunnel at 110th Ave. E E 2 nd Pl Summit Station Entry Abella Skyline Tower City Hall Station Entry City Center Plaza BTC E 6 nd St Bravern Provides a cut-andcover tunnel at 110th Ave. E with a center platform and mezzanine above to transition passengers from center to side(s) of 110th Ave. E. Potential Refinement: Optimized Selected Tunnel Portal Potential: $6-10 million E 2 nd Pl orth station entrance shifted west of 110th E 6th St. Ave. E, closer to Bellevue Transit Center. Tunnel depth reduced. Potential Refinement: E 6th St. Station Potential: $19-33 million E 6th St. Surface station at E 6th St. Tunnel depth reduced and alignment moved south of E 6th St.

2 Downtown Bellevue E 6th St. Station concept sketches Aerial view of plaza Plaza view East station entrance looking west Station platform

3 Environmental Findings Bellevue Way Alignment Light rail runs at-grade on Bellevue Way in front of the Winters House Bellevue Way shifts west and a new City of Bellevue HOV lane is added The driveway to the Winters House and Blueberry Farm is relocated farther south Rail in trench in front of Winters House Shift Bellevue Way West Environmental impacts Selected Shift Bellevue Way w/ HOV lane Residential displacements 1 4 Traffic related noise receptors (after Light rail related noise receptors (after 0 (0) 28 (0) 13 (0) 14 (0) Wetland impacts in acres Habitat impacts in acres Park impacts in acres Bellevue Way noise impacts Rail in Trench in Front of Winters House Potential Refinement: Shift Bellevue Way Option with HOV ote: Existing traffic noise levels at residences west of Bellevue Way exceed federal traffic noise criteria. Traffic noise mitigation for the potential refinement would reduce noise levels enough to comply with federal traffic noise criteria.

4 Environmental Findings 112th Ave. SE Alignment Rail at-grade on 112th Ave.. SE Road Over Rail Elevated roadway crosses light rail tracks and realigns SE 15th St. SE 4th St. access options: Emergency access only Bellefield access variation builds a new access road from Bellefield Residential Park SE 4th Open: Light rail at-grade with SE 4th St. open Rail Under SE 4th: Light rail in trench under SE 4th St. Retained-Cut Route Retained-Fill Route Station Proposed Improvements Environmental Impacts Selected SE 4th St. Emergency Access Only SE 4th St. Open Rail under SE 4th St. Residential displacements Light rail related noise receptors (after Vibration in buildings (after 44 (0) (0) 39 (0) 33 (0) 2 (0) 2-10 (0) 2-10 (0) 2-10 (0) Wetland impacts in acres < Habitat impacts in acres 0.3 <0.1 <0.1 <0.1 Park impacts in acres E 112th Ave. SE Alignment noise impacts E 2D ST E E 2D ST E E E E 2D ST B2M/C9T Eastside at-grade to west at SE 6th E 2D ST B2M/CST Eastside at-grade to west at SE 6th B2M/C9T Eastside at-grade to west at SE 6th MAI ST MAI ST 116TH AVE E E 2D ST MAI MAI ST ST Potential Refinement: 112th Road over Rail Option, SE 4th Open 116TH AVE E MAI MAI ST ST 112th Road over Rail Option, SE 4th MAI MAI ST ST 112th Road over Rail Option, Rail Under SE 4th Suboption VERIE WAY SE WOLVERIE WAY SE WOLVERIE WAY BSF RR BSF RR VERIE WAY SE WOLVERIE WAY ton ton Ride Ride Impacts With Impacts Acquisitions With Acquisitions Impacts With Acquisitions (9) (9) Crossover Location Pedestrian Crossover Crossing Location Pedestrian Pedestrian and Crossing Vehicle Pedestrian Crossingand Proposed Vehicle oise Crossing Wall Proposed oise Wall OTES: -One noise impact OTES: per parcel unless noted -One innoise impact per parentheses parcel unless noted in -oise impacts parentheses will be Mile Mile Moderate Potential for SevereModerate Elevated Route Vibration Potential Exhibit for 4-7 Both Moderate Severe Retained-Cut Route Impacts Vibration oise and Exhibit Vibration 4-7 Impacts - Both Moderate Retained-Fill Retained-Cut Route Route Impacts 112th Avenue SE SEPA Addendum- Retained-Fill Route Mitigated) Mitigated) -oise impacts will be oise and Vibration Impacts - 112th Avenue SE SEPA Addendum- OTES: -One noise impact per parcel unless noted in parentheses -oise impacts will be

5 Environmental Findings Downtown Bellevue Station Selected and Optimized 110th Downtown Tunnel Station Optimized Selected Station entrance shifted west of 110th Ave. E; closer to Bellevue Transit Center Tunnel depth reduced E 6th St. Station Surface station on E 6th St. Tunnel depth reduced Alignment moved south on E 6th St. Station E 6th St. Environmental impacts Selected Optimized Selected E 6th St. Station Retained-Cut Route Retained-Fill Route Station Proposed Improvements Business displacements Light rail related noise receptors (after Vibration in buildings (after 84 (0) 84 (0) 84 (0) 1 (1) 1 (1) 0 (0) Groundborne oise 1 (0) 3 (0) 2 (0) Park impacts in acres <0.1 Downtown Bellevue Station noise impacts Selected and Optimized Selected E 6th Station Crossover Location Pedestrian Crossing Pedestrian and Vehicle Crossing Proposed oise Wall Moderate Severe Both Moderate Retained-Cut Route Retained-Fill Route Potential for Vibration Impacts Mitigated) Exhibit 4-7 oise and Vibration Impacts - 112th Avenue SE SEPA Addendum-