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Mid-Coast Corridor

A map of the existing and proposed Mid-Coast Corridor
Project Type: 
Public Transit
Sponsor / Borrower: 
San Diego Association of Governments (SANDAG)
Credit Agreement Status: 
TIFIA Assistance: 
$537.5 million
Primary Revenue Pledge: 
Sales Tax Revenues
Project Cost Details: 

$2.017 billion in total project costs ($1.813 billion in project costs eligible for TIFIA financing)

Duration / Status: 

Construction underway, with substantial completion expected in December 2021.

Fiscal Year Closed: 
Project Description: 

The Mid-Coast Corridor Project is a proposed extension of San Diego’s existing light rail infrastructure. Once completed, the Project would connect the Old Town Transit Center in downtown San Diego to the University City area to the north, via the Blue line trolley. This would connect several universities, hospitals, and technology companies to the city center.

The extension consists of 10.9 miles of additional double track as well as nine new stations (four at-grade and five elevated), five park-and-ride facilities with 1,070 spaces, 14 new and two upgraded traction power substations, and 36 new low-floor light transit vehicles. The Project will follow an existing commuter heavy-rail line and run parallel to the I-5 State Route 52 interchange.

Funding Sources: 

Full Funding Grant Agreement: $1.043 billion

TIFIA Loan: $537.5 million

TransNet Financing: $355.0 million

Project Delivery / Contract Method: 

Construction Manager/General Contractor (CM/GC)

Project Advisors / Consultants: 


Financial Advisor – Public Financial Management

Legal Advisor – Norton Rose Fulbright

To USDOT Build America Bureau:

TIFIA Financial Advisor – Scully Capital

TIFIA Legal Advisor – Nixon Peabody L.L.P.

Project Lender(s): 
TIFIA Credit Assistance Detail: 

Direct loan: $537.5 million. The TIFIA loan is secured by pledged TransNet program sales tax revenues.

Financial Status: 
TIFIA credit agreement was signed on June 27, 2017, and the loan is expected to mature in 2045.
Project Contacts: 

Greg Gastelum

Project Development Program Manager


Leslie Blanda

Project Development Program Manager


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