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Published by the Arizona Transportation Institute

The MTKN hosts Price Trends for Major Roadway Inputs, produced by John Semmens of the Arizona Transportation Institute, as a service to the transportation research community. The report tracks both short term (90 days) trends and longer term trends (one, five and ten years). Graphs and a full data set back to January of 
1992 are included.

Current issue: December 2008 (275 KB PDF)

Past issues: Past issues and archives

Contact: jsemmens@cox.net