MERCER ISLAND FINAL DESIGN

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1 PRK D RID PRKIG GRG PRK D RID PRKIG GRG XISTIG KISS D RID XISTIG KISS D RID I-90 TRIL I-90 TRIL MRR WY MRR WY LOKRS LOKRS SS RODWY PLTFORM OPY PLTFORM OPY STTIO PLTFORM STTIO PLTFORM L WSTOUD TRK L WSTOUD TRK L STOUD TRK L STOUD TRK I-90 STOUD I-90 STOUD SURIS HWY SURIS SUST HWY TOW TR TOW TR ncillary Rooms icycle Patron Storage irculation ' 0 SL I FT LGD LGD Site plan SIT PL MR " = -0"

2 ast entry at 80th ve S looking northwest West entry plaza at 77th ve S

3 view to west entry at 77th ve S Station view looking south to town center

4 3 TRK LOW STTIO OPY LOW STTIO PLTFORM LOW XISTIG SIDWLK 3 XISITG SIDWLK TRK LOW STTIO OPY LOW STTIO PLTFORM LOW XISTIG SIDWLK XISITG SIDWLK 3 3 ' 3 6 SL I FT LGD Grade level plan STTIO ILLRY S STTIO ILLRY S GRD LVL PLS PLTFORM MR " = 3-0" 3 I-90 STOUD LGD STTIO ILLRY S STTIO ILLRY S PLTFORM I-90 STOUD 3 ' 3 6 SL I FT LGD level plan PLTFORM LVL PL MR " = 3-0"

5 RSRVD VHIL PRKIG RSRVD VHIL PRKIG F OMM F OMM OUSTI WLL OUSTI WLL WSTOUD TRK LOW WSTOUD TRK LOW R VHIL PRKIG RSRVD VHIL PRKIG TRY PLZ R VHIL PRKIG TIKTIG TRY PLZ XTT OF OPY OV RKS WST TRY LOY PLZ TIKTIG +9.0 FUTUR VD/RT F TIKTIGOMM WST TRY LOY +9.0 XTT OF OPY OV FUTUR VD/RT XTT OF OPY OV FUTUR VD/RT RKS WST TRY LOY LV STIR +9.0 DOW SLTOR UP ROOF LOW OUSTI WLL WSTOUD TRK LOW LV ROOF LOW STIR DOW LV SLTOR UP STIR DOW SLTOR UP STOUD TRK LOW STOUD TRK LOW STOUD TRK LOW ROOF LOW R VHIL PRKIG RKS ' 6' ' 0 ncillary Rooms SL I FT S KY MP LGD icycle LGD Storage Y MP LGD West entry grade level plan KY PL - GRD KY PL - GRD MRR ISLD KY PL - GRD MRR ISLD MRR ISLD WST TRY - GRD LVL PL WST TRY - GRD LVL PL M /8" = '-0" /8" = '-0" West platform level plan OVRPSS STRUTUR OVRPSS STRUTUR OVRPSS STRUTUROVRPSS OV OVRPSS OV OVRPSS OV L WSTOUD L WSTOUD TRK TRK L WSTOUD TRK OUSTI WLL OUSTI WLL OUSTI WLL TRK F TRK F TRK F MI L UPS MI L MR LV MI L UPS QUIP MHI MR UPS QUIP LV MR QUIP LV MHI LV MHI LV LV STIR UP SLTOR UP PLTFORM STIR UP STIR UP PLTFORM SLTOR UP PLTFORM SLTOR UP SS TO TRIWY L STOUD TRK SS TO TRIWY L STOUD TRK SS TO TRK F TRIWY L STOUD TRK TRK F TRK F OUSTI WLL OUSTI WLL OUSTI WLL ' 6' ' KY MP LGD icycle LGD Storage SL I FT ' SL 6' I F SL I FT LGD KY PL - PLTFORM MRR ISLD KY PL - PLTFORM MRR ISLD MR

6 TH 80 TH 80 OMM XISTIG SIDWLK WSTOUD TRK LOW TIKTIG LV ROOF LOW OMM ST TRY LOY OUSTI WLL TIKTIG XISTIG SIDWLK ST TRY LOY TIKTIG TRY PLZ TRY PLZ ST TRY LOY SLTOR UP FUTUR VDIG G G OUSTI WLL TRY PLZ SLTOR UP STIR DOW STOUD TRK LOW STOUD TRK LOW XISTIG SIDWLK LV STIR DOW LV SLTOR UP S OMM ROOF LOW OUSTI WLL STIR DOW U V S OUSTI WLL WSTOUD TRK LOW WSTOUD TRK LOW ROOF LOW U V OUSTI WLL TH S 80 U V STOUD TRK LOW FUTUR VDIG OUSTI WLL SRVI PRKIG SRVI PRKIG FUTUR VDIG G SRVI PRKIG R VHIL PRKIG R VHIL PRKIG R VHIL PRKIG KY MP KY MP Station ntry icycle Storage Patron irculation LGD LGD ' 6' ' SL I FT SL I FT ast grade level plan ' 6' SL I FT LGD KY PL - GRD KY PL - GRD MRR ISLD MRR ISLD MR ST TRY - GRD LVL PL ST TRY - GRD LVL PL ast platform level plan /8" = '-0" KY PL - GRD /8" = '-0" MRR ISLD ST TRY - GRD LVL PL /8" = '-0" OUSTIL WLL OUSTIL WLL L WSTOUD TRK L WSTOUD OUSTIL WLL TRK L WSTOUD TRK LV FORM PLTFORM LV PLTFORM SLTOR UP STIR UP SLTOR UP L STOUD TRK LV MHI JITOR LV MHI LMH OMM MH JITOR L OMM JITOR L OMM OVRPSS OV OVRPSS OV L STOUD TRK F TRK L STOUD TRK OUSTIL WLL LV MH STIR UP STIR UP LTOR UP LV MHI OVRPSS OV TRK F TRK F OUSTIL WLL //03 0:0: M OUSTIL WLL //03 0:0: M KY MP KY MP LGD LGD LGD ' 6' ' S SL I FT ' SL I F

7 WST TRY LOY PLTFORM LOY ST TRY 3-8 TH VU S ILLRY OPY 3 WST TRY LOY PLTFORM LOY ST TRY ILLRY OPY 3 ' 3 6 PLTFORM OPY SL I FT RR WY LGD OUSTIL WLL SUST HIGHWY Longitudinal section ISLD RST WY ISLD RST WY I-90 STOUD LOGITUDIL STIO " = 3-0" PLTFORM OPY ORTH MRR WY LGD OUSTIL WLL SUST HIGHWY ISLD RST WY ISLD RST WY I-90 STOUD 6' ' 6' 3' SL I FT LGD Site cross section at canopy RR WY SUST HIGHWY SIT ROSS STIO T PLTFORM /6" = '-0" I-90 STOUD ISLD RST WY ISLD RST WY 6' ' 6' SL I FT ORTH MRR WY LGD SUST HIGHWY I-90 STOUD ISLD RST WY SIT ROSS STIO T PLTFORM /6" = '-0" ISLD RST WY 6' ' 6' 3' SL I FT LGD Site cross section at east entry SIT ROSS STIO T ST TRY /6" = '-0"

8 MTL ROOF OPY LMITD OPY GLZIG GLZD WIDSR MTL ROOF OPY IL WLL LMITD OPY OUSTIL GLZIG WLL GLZD WIDSR OUSTIL WLL OUSTIL WLL PLTFORM ISLD RST WY ISLD RST WY PLTFORM ISLD RST WY ' ' ' SL I FT LGD cross section LGD ast entry section PLTFORM ROSS STIO M /" = '-0" ST TRY LOY 3-8 ST TRY LOY LV MHI MH JITOR L OMM 3-8 LV PLTFORM MH MHI JITOR L OMM ' 6' SL I FT LGD

9 : TPSS SIT PLS LK WSHIGTO I-90 OV GI GRTOR F OTROL TPSS MVSS PROPOSD F 60TH VU S XISTIG WSDOT SS ROD XISTIG WSDOT FILITY SIGL HOUS I-90 OV SIT LOTIO S TH ST LOTIO MP 60th ve. S plan Shorewood Drive plan LOW I-90 STOUD LOW SIT LOTIO TPSS SHORWOOD DRIV TRIL SR WLLS TRLI STOUD TRK TRLI WSTOUD TRK LOTIO MP DRWIG o.: LOTIO o.:

10 ILLRY STRUTURS The safe and efficient operation of a light rail system relies upon a number of components in addition to the track, guideway and stations. These essential system elements house the equipment needed to supply power to the vehicles and ensure that warning signals and communications equipment function properly. Sound Transit will work through the 60% design milestone to identify the locations of these structures and screening where appropriate. Traction Power Substation (TPSS) are located along the alignment and serve to convert electric power needed to operate the light rail Overhead ontact System (OS) distribute power supplied from the TPSS to the light rail vehicles xamples of how architectural treatments and artwork may be used help screen ancillary structures Signal buildings house equipment used to control safety and operational signals TPSS Site Locations: Mercer Island LK WSHIGTO LOW I-90 OV GI GRTOR F OTROL TPSS MVSS PROPOSD F XISTIG WSDOT FILITY 60TH VU S TPSS XISTIG WSDOT SS ROD SR WLLS I-90 STOUD LOW SHORWOOD DRIV TRIL TRLI STOUD TRK TRLI WSTOUD TRK SIGL HOUS I-90 OV SIT LOTIO SIT LOTIO 60th ve. S plan Shorewood Drive plan S TH ST LOTIO MP LOTIO MP