Study Reports and Documents

Public Involvement

Draft Technical Memorandum #1 (Existing Conditions)

Case Studies

Full Case Study Report
Full Case Study Report
Overview and Conclusions
Overview and Conclusions
Completed Projects: Bury Highway
Boston,MA I-93/Central Artery (The Big Dig)
Completed Projects: Depress Highway
Cincinnati,OH Fort Washington Way/I-71
Completed Projects: Relocate Highway
Providence,RI I-195/The I-Way
International Examples
International Examples


Fact Sheets



Come to a public workshop

SMTC and the NYSDOT will be holding the first round of public workshops in early May.  Read More

I-81 Video Series

Check out our new video series about the history of I-81 and other urban highway projects across the US.  Read More

New Blog launched

SMTC launches Blog as another way to reach out to and inform the community about the latest project updates.   Read More

What do we know about I-81?

NYSDOT publishes the first major technical document of The I-81 Challenge, which analyzes existing physical conditions in the I-81 corridor.  Read More

Visit The I-81 Challenge Facebook page

The I-81 Challenge is now on Facebook. Don't forget to check out the Facebook event page for the upcoming public workshops.  Read More