D. Ungemah

I'll Tell you What I Think!

D. Ungemah, T. Collier, 2007 .

This Land is your Land, this Land is my Land

D. Ungemah, 2007 .

Priced Managed Lane Guide

David H Ungemah, Benjamin G. Perez, Charles Fuhs, 2012 .

Improved Quantification of High-Occupancy Vehicle (HOV) Lane Delay Savings: Year Two Results

David H Ungemah, Ginger Goodin, S E Ranft, 2006 .

Colorado mileage-based user fee study.

C. R. Swenson, D. Ungemah, R. Baker, 2013 .