Seattle Subway: the danger of tunnel vision

For the next ten weeks, Link riders will have to contend with infrequent trains, a forced transfer in Pioneer Square, and weekend closures to prepare for Northgate and East Link Expansions. These delays and closures could have been avoided by building for future expansion originally rather than planning and authorizing the system piecemeal. This time, the costs and impacts of the rework are relatively minor, but the consequences of this approach will be severe for future expansions unless the course is corrected.

Before Link opened in July of 2009, Sound Transit closed the tunnel to install tracks, power, and systems in preparation for bus/train operations. Plans were considered for expansions to Northgate and east to Bellevue, but the ballot measure to authorize that expansion, ST2, didn’t pass until November of 2008. Not enough time to plan and execute changes to future-proof the tunnel for expansion.

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