Columbia Interstate Tunnel

Design-Build-Finance-Operate (DBFO)

I-5 Columbia Interstate Tunnel (CIT)


(An affordable, superior and preferred plan providing congested traffic solutions)

Independent &Complimentary to any Columbia River I-5 Bridge Design Alternatives
Utilizes a Design-Build-Finance-Operate Private-Public-Partnership (DBFO-P3) Delivery

Expanding the Portland/Vancouver I-5 from 6 Lanes to 10 lanes - Adds 2 North lanes & 2 South lanes (or Alternatively 4 “Commuter Lanes”; Morning = South Travel & Afternoon = North Travel)

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Copyright © 2010-2018 Premier Project Consulting Group LLC, Phil Martinson Engineering, Inc., M. Pauletto and Associates LLC & Premier Investment Corporation - Proprietary & Alternative Columbia I-5 Tunnel (CIT) Plan