University of Washington: A Resilient Future Starts Here. Online Master of Infrastructure Management and Planning. Apply Now. Image description: A highway interchange with a city skyline and suspension bridge in the background.

lid diagram

Lid I-5's lid diagram looks good with an elevated high speed rail line down the middle. (Credit; Lid I-5 with edits by author)
Transrapid-emsland (Credit: Állatka)
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