This is the home page of the WNAC subcommittee formed to study the concept of “capping” I-280 at Winchester. The “cap” is part of a bigger plan, which would be to create corridors along existing expressways and freeways for high-speed transit solutions that would stitch a network of mixed-use communities, built on freeway “caps”, as outlined here:


and the summary PDF of the “Freeway within a Freeway” concept (one page, printable PDF)


and the “cap” summary (one page, printable PDF)


Committee Charter:

The charter of the committee is to provide a conceptual view of what capping I-280 might look like, possible uses and a road-map for accomplishing a cap.

The deliverable, slated for July 1st, 2017, will be a high-level feasibility study with recommendations on next steps.

The sections to be addressed are described in the above menu options. To join the committee, please contact us using the following form:



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