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Corridor Improvement: Howarth Park Universal Crossover - M.P. 31.3 to M.P. 31.7
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This work involves installing new crossovers and signal equipment on an existing section of double track. A crossover consists of four switches and connecting track, which allow either a southbound or northbound train to switch from one track to the other. One signal at each switch for each track is required, or two at each end of the crossover, for a total of four signals.
All work will be within the existing tracks except for the signals, which would be about 10 feet from the edge of the railroad tie, and the signal bungalow structures.
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Corridor Improvement: Mukilteo Universal Crossovers - M.P. 28.5 to M.P. 29.0
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This work involves installing one new crossover and signal equipment on an existing section of double track. A crossover consists of four switches and connecting track, which allow either a southbound or northbound train to switch from one track to the other. Signal masts would be used for this location; however, a signal bridge may be built if it is determined during final design that visual impacts would not occur. All work would be within the existing tracks except for the signals, which would be about 10 feet from the edge of the railroad tie, and the signal bungalow structures.
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Corridor Improvement: Mukilteo Double Track - M.P. 27.0 to M.P. 28.0
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In this section it is necessary to add a second mainline track (double track) at this location to the existing single track for commuter rail operations. Between M.P. 27.0 and 28.0, there is a very steep slope adjacent to the east side of the existing main line track. BNSF is relocating the beach wall by approximately 15’ west onto the beach for construction of the second track.
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Corridor Improvement: Universal Crossover M.P. 23.5 to 23.9
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This work involves installing new crossovers and signal equipment on an existing section of double track. A crossover consists of four switches and connecting track, which allow either a southbound or northbound train to switch from one track to the other. One signal at each switch for each track is required, or two at each end of the crossover, for a total of four signals.
All work will be within the existing tracks except for the signals, which would be about 10 feet from the edge of the railroad tie, and the signal bungalow structures.
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Corridor Improvement: Universal Crossover - M.P. 18.5 to M.P. 18.9
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| This work involves installing
new crossovers and signal
equipment on an existing
section of double track.
A crossover consists of
four switches and connecting
track, which allow either
a southbound or northbound
train to switch from one
track to the other. One
signal at each switch for
each track is required,
or two at each end of the
crossover, for a total of
four signals.
All work will be within
the existing tracks except
for the signals, which
would be about 10 feet
from the edge of the railroad
tie, and the signal bungalow
structures.
Open House PDF Information
Files:
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Corridor Improvement: Woodway to Edmonds - Construct Second Main Line Track (Double Track) - M.P. 15.9 to M.P. 17.8
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A second track needs to be installed to supplement the single existing main line track. The topography is challenging in this area with intertidal lagoons lying on one side and Puget Sound on the other. The second track will be constructed on the east side and will affect the lagoons.
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Corridor Improvement: Richmond Beach Universal Crossover - M.P. 14.0 to M.P. 14.4
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This work involves installing new crossovers and signal equipment on an existing section of double track. A crossover consists of four switches and connecting track, which allow either a southbound or northbound train to switch from one track to the other. One signal at each switch for each track is required, or two at each end of the crossover, for a total of four signals.
All work will be within the existing tracks except for the signals, which would be about 10 feet from the edge of the railroad tie, and the signal bungalow structures.
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Corridor Improvement: Metum Universal Crossover - M.P. 8.7 to M.P. 9.3
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This universal crossover would be within the 3,000-foot-long track between M.P. 8.7 and M.P. 9.3. All work would be within the existing tracks except for the signals, which would be about 10 feet from the edge of the railroad tie, and two signal bungalows (10 feet by 15 feet square, and 10 feet high of prefabricated metal), one at each end of the crossover within 10 feet of the tracks.
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Corridor Improvement: Ballard - Reinstall Former Second Main Line Track - M.P. 7.3 to M.P. 7.8 (Opposite Shilshole Marina)
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This proposed second mainline track would be on the east side of the existing single mainline track. This would restore the second track in the location where a previous track was damaged by landslides. The roadbed is already in place; therefore, only minimal rough grading work is required. An 8-foot-wide concrete box culvert under both tracks would replace the existing 33-foot-long single-track bridge. Retaining walls would be placed east of the newly installed second track. The new walls would be placed in front of an existing wall, which is deteriorating, and adjacent to the existing wall. It may be necessary to replace the existing 33-foot-long bridge with a concrete box culvert approximately 6 feet long.
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