We’ve begun using the term “Fourth Runway” to describe two large projects (SR-509 and the Sustainable Airport Master Plan) as one system, which they are. The two projects have always been part of a regional plan begun over fifty years ago to meet the strategic goals of the Port Of Seattle and regional planners. The construction of SR-509 will affect the communities are great deal. But starting in 2027 the projects will also increase flight operations at least 33% and cargo operations by 300%.
2021-08-24
August 25, 2021 Early this year, Port staff submitted the draft federal environmental assessment (EA) for the Sustainable Airport Master Plan (SAMP) to the FAA for its review. The EA’s screening of alternatives included the proposed surface parking lot in North SeaTac Park (L06) and considered alternate ways to meet future employee parking needs. In that