Case Study
CDOT transportation expansion
To mitigate congestion along Interstate 25 (I-25), the Colorado Department of Transportation and Regional Transportation District initiated the $1.67 billion Transportation Expansion Project (T-REX). The first design- build project in the country designed to accommodate future growth, the T-REX was planned to avoid disrupting traffic and with an ambitious five-year design and construction schedule. Site Contamination and LimitationS An abandon