- Commission's intent to pursue project as a design-bid-build procurement - and not a Public-Private Partnership (P3) - was reaffirmed by the Executive Director at the Commission's July 2014 meeting
- Commission posts - and advertises - 100-page Request for Proposal(RFP) for Final Design Services August 20
- Pre-Proposal Meeting at Sheraton Bucks County Hotel ballroom in Langhorne, PA. on September 10 attracts 132 consultants representing 74 engineering firms, including 38 Identified Business Enterprises (women-owned, minority owned, etc.)
- Closing date for inquiries from interested firms - September 26
- Commission response to inquiries - October 8
- 10 firms submit proposals in response to the RFP - October 30
- Technical Evaluation Committee (TEC) of professional staff formed to review and evaluate proposals
- Field of RFP responses short listed to four firms - Dec. 22
- TEC conducts oral interviews of short-listed firms - January 13 and 14, 2015 TEC presents findings to Senior Selection Committee (SSC) on January 16; SSC confirms findings to negotiate scope and fee with highest ranking firm
- Commission authorizes Executive Director to negotiate scope and fee with highest ranked firm - January 26
- Commission awards final design contract to Michael Baker, Jr., Inc. of Hamilton, N.J. for a not-to-exceed amount of $22,490,000 -- February 23, 2015

