In 2002, CDOT undertook this study in an effort to better understand the complexities of the Federal Highway Administration's new Traffic Noise Model (TNM). The research involved three analysis.
This research is being conducted to evaluate the performance of various preventive maintenance treatments over time and under different environmental conditions to assess the economics of each treatment type.
This report provides information on life cycle cost analysis (LCCA) as applied to CDOT's roadways. It describes the methodology CDOT uses to select discount rates to be used in LCCA calculations. It also summarizes pavement selection terminology for deterministic and probabilistic LCCA procedures.
The results of this study confirm the performance of the baseline CDOT bridge deck mixes/systems, indicate some new products that show promise for implementation, and suggest that combinations of products might be the best approach to protection for Colorado bridge decks exposed to deicing chemicals.