*Not on map.
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Regional transportation project map |
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Money needed |
 Alaskan Way Viaduct
All options include replacing most or all of the deteriorating waterfront seawall and rebuilding Alaskan Way. |
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| Do nothing |
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$0 |
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Alternative A
Build new viaduct with same dimensions as existing structure — same lane widths, no shoulders — from South Holgate Street to Battery Street Tunnel |
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$2.9 billion |
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Alternative B
Build new viaduct with shoulders and wider lanes from South Holgate Street to Battery Street Tunnel. Build overpasses north of tunnel across Aurora Avenue North at Mercer and Roy streets, providing new links between Seattle Center and South Lake Union. |
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$3.3 billion |
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Alternative C
Replace viaduct with surface roadway from South Holgate Street to South King Street and tunnel along central waterfront from South King Street to Battery Street. Build overpasses north of tunnel over Aurora Avenue North at Mercer and Roy streets, providing new links between Seattle Center and South Lake Union. Build Broad Street underpass under waterfront railroad tracks. |
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$4.7 billion |
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Alternative D
Build new Spokane Street interchange. Replace viaduct with new surface roadway from South Spokane Street to South Holgate Street, new viaduct from South Holgate Street to South King Street and tunnel along central waterfront from South King Street to Battery Street. Replace Battery Street Tunnel with two tunnels to Aurora Avenue North. Reconnect up to 6 streets between Seattle Center and South Lake Union that now are blocked by Aurora Avenue. |
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$11.6 billion |
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 Highway 520/Evergreen Point Floating Bridge
All options include expanded van pools and incentive programs to persuade commuters to stop driving solo, and bridge pontoons large enough to support future rail or dedicated bus lanes. |
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| Do nothing |
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$0 |
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Alternative A
Rebuild existing 4-lane bridge and approaches between I-5 and Bellevue with wider lanes and shoulders, bicycle and pedestrian lane. Construct ramp from westbound 520 to southbound I-5 express lanes. |
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$1.6 billion |
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Alternative B
Replace existing four-lane bridge from Montlake to Medina with six-lane bridge (four general purpose, two carpool lanes) with wider lanes and new shoulders, bicycle and pedestrian lane. Replace existing four-lane bridge over Portage Bay from Montlake to I-5 with six-lane freeway. Build eastbound carpool lane from Medina to Bellevue Way Northeast. Construct ramp from westbound 520 to southbound I-5 express lanes. |
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$1.97 billion |
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Alternative C
Expand 520 to six lanes (four general purpose, two carpool) from I-5 to Redmond. Reconstruct 520 interchanges at I-5 and I-405 to eliminate weaving traffic. Add bicycle and pedestrian lanes. Add new connection across Montlake Cut between 520 and University of Washington. Add HOV direct-access ramps between 520 and I-405, and new park-and-ride lots.
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$5.9 billion |
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Alternative D
Same as Alternative C, plus one additional general-purpose lane in each direction for a total of 8 lanes. |
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$7.4 billion |
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 Interstate 405 |
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| Do nothing |
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$0 |
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Alternative A
Add one lane in each direction to I-405 between Highway 181 in Tukwila and Highway 169 in Renton, and one lane in each direction to Highway 167 from I-405 to Southeast 180th Street. Rebuild the 405/167 interchange with HOV ramps. Add one southbound lane to I-405 between downtown Bellevue and Coal Creek Parkway Southeast, and one northbound lane to I-405 from 112th Avenue Southeast in Newcastle to I-90. Add one southbound lane to I-405 between highways 522 and 520, and one northbound lane to 405 between Northeast 70th Street and Northeast 124th Street in Kirkland. Includes money to design future additions.
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$1.8 billion |
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Alternative B
Add one lane in each direction to I-405 between I-5 in Tukwila and I-90 in Bellevue, to be managed as a "HOT lane" - an HOV lane that solo drivers can use if they pay a toll. Also convert existing I-405 HOV lanes between Tukwila and I-90 to HOT lanes. Add one lane in each direction to Highway 167 from 405 to Southeast 180th Street. Add short "auxiliary" lanes to northbound I-405 between interchanges in Kirkland and Bothell. Build ramps linking I-405 HOV lanes with highways 181 and 167 and I-90. Improve arterials for HOV. Buy more buses, expand bus service and improve park-and-ride, bicycle and pedestrian facilities. Expand incentives to persuade commuters to stop driving solo. Buy existing Eastside railroad tracks from Renton to Woodinville for future commuter-rail service.
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$2.7 billion |
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Alternative C
Add one lane to I-405 in each direction from I-5 to Highway 181 in Tukwila, two lanes in each direction from Highway 181 to I-90 and one lane in each direction from I-90 to downtown Bellevue. Add one northbound lane to I-405 from Northeast 70th Street in Kirkland to Highway 522 in Bothell, and add one southbound lane to I-405 from Highway 522 to Highway 520. Add short “auxiliary” lanes to I-405 in each direction between interchanges in Kirkland. Add one lane in each direction on Highway 167 from I-405 to Southeast 180th Street. Rebuild the 405/167 interchange. Build ramps linking 405 HOV lanes with Highway 167, Northeast 85th Street in Kirkland and Highway 522. Establish HOT lanes on I-405. |
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$3.9 billion |
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Alternative C plus transit
To Alternative C, add construction of 2,200 park-and-ride spaces; initiation of faster, more frequent “bus rapid transit” service along the I-405 corridor; construction of three freeway “bus rapid transit” stations on I-405 in Renton, Bellevue and Kirkland; and expanded van pools and other incentives to persuade commuters to stop driving solo.
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$4.2 billion |
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Alternative D
Add two lanes in each direction to the entire length of I-405, and to Highway 167 from I-405 to Southeast 180th Street. Fully or partly reconstruct most interchanges, with many featuring exclusive HOV ramps. Improve arterials for general purpose and HOV traffic throughout corridor. Establish "bus rapid transit" system, including eight stations and nine new transit centers. Build 5,000 new park-and-ride spaces. Add 1,700 van pools. Improve pedestrian and bicycle facilities. Expand incentives to persuade commuters to stop driving solo.
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$10.9 billion |
| Megaprojects subtotal |
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Regional transportation project map |
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Money needed |
 Highway 509 |
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| Do nothing |
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$0 |
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Alternative A
Extend freeway three miles to Interstate 5 from current terminus near the southwest corner of Seattle-Tacoma International Airport. Add lanes to I-5 between new 509/I-5 interchange and South 320th Street in Federal Way.
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$985 million |
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Alternative B
Extend freeway only to Highway 99 south of airport. Complete engineering and right-of-way acquisition for remainder of project. |
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$500 million |
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 Highway 167 |
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| Do nothing |
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$0 |
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Alternative A
Add two new lanes in each direction from Southeast 180th Street to King/Pierce county line, and establish “HOT” lanes — HOV lanes that solo drivers can use if they pay a toll.
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$1.3 billion |
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Alternative B
Add one HOV lane in each direction from Southeast 180th Street to King/Pierce county line. |
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$650 million |
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 I-5 HOV lanes
Add an HOV lane in each direction on I-5 from South 320th Street in Federal Way to Pierce County line, creating continuous HOV lanes from downtown Seattle to county line. Upgrade interim northbound I-5 HOV lane from South 272nd Street to I-405. |
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$144 million |
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 I-5/Highway 18/Highway 161 triangle
Rebuild I-5/Highway 18 interchange to eliminate "loop" ramps. Provide direct, freeway-to-freeway connections linking I-5 and Highway 18 to Highway 161, eliminating stop lights. |
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$204 million |
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 Highway 509/Highway 518
Build "flyover" ramp from southbound Highway 509 to eastbound Highway 518, bypassing traffic signals. Add one lane to eastbound Highway 518 from Seattle-Tacoma International Airport to I-5.
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$53 million |
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 I-90 HOV lanes |
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| Do nothing |
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$0 |
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Alternative A
Reconfigure I-90 between Seattle and I-405 to add two lanes — one 24-hour HOV lane in each direction. |
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$80 million |
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Alternative B
Convert two existing reversible HOV lanes in center roadway to a 24-hour HOV lane in each direction. |
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$44 million |
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 Highway 18
Add a lane in each direction from Issaquah Hobart Road to I-90 which, with already scheduled improvements, would make Highway 18 four lanes its entire length from Federal Way to Snoqualmie.
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$144 million |
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 Mercer Corridor
Convert four-lane, one-way Mercer Street to a seven-lane, two-way boulevard from I-5 to Aurora Avenue North. Convert parallel Valley Street to a narrower, pedestrian-friendly two-way street. |
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$90 million |
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 South Park Bridge
Replace aging South Park (16th Avenue South) bridge across Duwamish River and improve bridge approaches.
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$62 million |
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 Countywide signal synchronization *
Synchronize signals on major arterials, including “real-time” technology in busiest corridors that constantly modifies cycles to respond to changing traffic.
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$135 million |
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 Highway 169 - Jones Road to Highway 516
Widen Highway 169 from two lanes to five from Jones Road (between Renton and Maple Valley) to Highway 516 in Maple Valley. |
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$113 million |
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 Rail overpasses/underpasses
Build overpasses or underpasses to separate rail from auto traffic at key locations in South Seattle, Kent and Auburn, and make other improvements to speed freight movement.
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$100 million |
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 Major arterial improvements
Improve signals, widen intersections and add lanes in places to improve traffic flow and safety on major arterials including Highway 527 in Bothell, Highway 202 in Redmond/Sammamish, and Highway 515 (Benson Highway) in Kent/Renton. |
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$62 million |
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 Highway 520/ Highway 202 Interchange
Widen Highway 520 overpass over Highway 202 in Redmond from two lanes to four. Build new ramp from westbound Highway 202 to westbound Highway 520, bypassing traffic signal. NOTE: Not necessary to select this project if Highway 520 alternative C or D is chosen in No. 2 above.
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$100 million |
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 New Highway 522/Highway 202 Interchange
Build new interchange on 522 west of existing interchange, connecting with Woodinville- Redmond Road (Highway 202) to the south and 120th Avenue Northeast in Bothell to the north, and allowing traffic on those roads to bypass downtown Woodinville.
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$95 million |
| Road projects subtotal |
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Regional transportation project map |
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Money needed |
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 Bus purchases *
Buy new buses to allow Metro Transit to expand daily service about 10 percent, mostly in suburban King County. |
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$250 million |
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 Park and Ride garages
Build garages to replace smaller existing park-and-ride lots at transit centers at Northgate, Shoreline, Kenmore and Burien. Garages intended as catalysts for new, transit-oriented residential and commercial development. |
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$67 million |
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 Bus Rapid Transit, Aurora Avenue and Highway 522
Capital improvements, bus purchases and operating subsidies aimed at increasing speed, frequency and reliability of service in two corridors: Aurora Avenue North from Denny Way to North 205th Street, and Highway 522 (Lake City/Bothell Way Northeast) from I-5 to I-405. Buses expected to run every 5 minutes during commute hours, every 10 minutes during midday. Capital projects include exclusive lanes for buses and right-turning traffic, upgraded bus shelters and lighting, traffic-signal improvements, sidewalks, expanded intersections, pedestrian and safety improvements. |
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$294 million |
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 Bus Rapid Transit/Arterial HOV improvements, Highway 99 South
Capital improvements aimed at improving HOV travel and bus service on Highway 99 from Federal Way to Tukwila, including HOV lanes, traffic-signal priority for buses, upgraded bus shelters and lighting, traffic-signal improvements, sidewalks, expanded intersections, pedestrian and safety improvements. |
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$51 million |
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 Light Rail - North
Extend proposed Sound Transit LINK light-rail line north from downtown Seattle to University District and Northgate. |
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$2 billion |
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 Light Rail - South
Extend proposed Sound Transit LINK light-rail line south from South 154th Street in Tukwila to Seattle-Tacoma International Airport and South 200th Street in SeaTac. |
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$500 million |
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 King Street station
Remodel and reconfigure existing train station into expanded multi-modal transportation center, easing transfers between Amtrak, Sounder commuter rail, LINK light rail, buses, possibly monorail and Waterfront streetcar.
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$140 million |
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 Increased transit service on high demand routes *
Expand bus service, primarily in Seattle. |
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$200 million |
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 Expanded County-wide transportation demand management
Increase incentives to persuade commuters to stop driving to work alone and take the bus, van pools or car pools. |
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$400 million |
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 I-5 Industrial Way busway
Extend exclusive bus lane, which now parallels I-5 and runs north-south between downtown Seattle bus tunnel and South Spokane Street. Extending it to I-5 would allow buses to enter and leave I-5 HOV lanes without weaving across other freeway lanes.
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$118 million |
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 Passenger ferry service
Preserve and improve passenger-only ferry service from Vashon Island to downtown Seattle, and Elliott Bay Water Taxi from West Seattle to downtown.
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$50 million |
| Transit projects subtotal |
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| Total revenue needed for Mega, Road and Transit projects |
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...And pay for it
You'll need to come up with enough money to cover the cost of your projects. You may need to pick more than one revenue source from this list, but check no more than one in each category.
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Money raised |
 Sales tax increase (Rate now 8.8 percent) |
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| Do nothing |
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$0 |
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0.1 percentage-point increase |
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$1.3 billion |
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0.3 percentage-point increase |
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$3.8 billion |
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0.5 percentage-point increase |
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$6.4 billion |
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0.7 percentage-point increase |
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$8.9 billion |
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1.0 percentage-point increase |
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$12.7 billion |
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 Annual vehicle license fee |
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| Do nothing |
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$0 |
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$25 per vehicle |
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$0.7 billion |
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$75 per vehicle |
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$2.1 billion |
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$100 per vehicle |
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$2.8 billion |
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$150 per vehicle |
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$4.2 billion |
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 Annual motor vehicle excise tax |
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| Do nothing |
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$0 |
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0.2 percentage-point increase |
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$0.8 billion |
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0.4 percentage-point increase |
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$1.6 billion |
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0.6 percentage-point increase |
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$2.4 billion |
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0.8 percentage-point increase |
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$3.2 billion |
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1.0 percentage-point increase |
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$4.0 billion |
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 Local option gas tax (per gallon) |
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| Do nothing |
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$0 |
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2.3 cents |
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$0.4 billion |
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4 cents (indexed to increase each year with inflation) |
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$1.0 billion |
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6 cents (indexed to increase each year with inflation) |
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$1.4 billion |
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10 cents (indexed to increase each year with inflation) |
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$2.4 billion |
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15 cents (indexed to increase each year with inflation) |
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$3.6 billion |
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20 cents (indexed to increase each year with inflation) |
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$4.8 billion |
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 Sales tax on gas
Extend sales tax to motor-vehicle fuel, which now is exempt. |
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8.8 percent |
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$2.2 billion |
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 Employer excise tax
Paid by employer on each full-time worker. |
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| Do nothing |
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$0 |
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$2 per month |
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$0.5 billion |
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$5 per month |
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$1.3 billion |
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 Commercial parking tax
State law allows tax to be imposed on users or owners of pay parking lots and garages, by transaction or by stall. Here's a couple of possibilities. |
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| Do nothing |
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$0 |
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Owners pay 5 percent of gross revenues |
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$0.4 billion |
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Owners pay 10 percent of gross revenues |
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$0.8 billion |
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 Tolls
Assumes electronic collection — no toll booths. |
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| Do nothing |
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$0 |
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Alternative A:
Toll all non-HOVs in all lanes on new 520 bridge, Alaskan Way Viaduct replacement and new Highway 509 link to I-5. Charge tolls on 405 and 167 only for solo drivers who wish to use HOT (high occupancy/toll) lanes.
Typical one-way peak-period tolls in 2014 (off-peak tolls would be lower):
520 - $1.60 to $1.75
Viaduct replacement - 40 to 70 cents
405, Lynnwood to Renton - $1.15 to $2.20 |
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$1.1 billion |
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Alternative B:
Toll all non-HOVs in all lanes on new 520 bridge and Alaskan Way Viaduct replacement. Charge tolls on 405 between Tukwila and I-90 only for solo drivers who wish to use HOT (high occupancy/toll) lanes. Typical one-way tolls after facilities completed (peak-period tolls would be higher):
520 - $3.00
Viaduct replacement - $2.00
405, Tukwila to I-90 - $4.00
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$3.8 billion |
| Total revenues raised based on your choices |
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| Total revenue needed for Mega, Road and Transit projects |
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Do these numbers match up or come close? If not, you may want to go back and decrease the number of projects or increase the amount of revenue you need to raise. |
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The deadline for submitting your transportation plan to us has passed, but you can still use this form to match your transportation choices with a budget.