The Colorado-specific safety knowledge base, developed and effectively applied in the design process at CDOT, is not yet used to inform the planning process. This report transfers the use of these Colorado-specific, predictive and diagnostic tools to the transportation planning process. It develops a proposed methodology for the Explicit Consideration of Safety in the Transportation Planning Process by focusing on science-based and data-driven project selection, which considers susceptibility to cost-effective correction, rather than simply observed frequency and severity of crashes. This methodology will aid in ranking and prioritizing safety aspects of projects in concert with other attributes, such as mobility, air quality, noise, etc. It effectively translates state-of-the-art safety analysis techniques into an applied, practical methodology that transportation planners and practicing engineers can use., Jake Kononov, Richard G. Sarchet, Elliot Sulsky, Kelly Leadbetter., "March 2017.", Includes bibliographic references (pages 81-83), Report No. CDOT-2017-08, Online resource; title from PDF cover (viewed August 2019)
by Richard F. Carrillo and Daniel A. Jepson ; with contributions by Sarah J. Pearce., Includes bibliographical references (pages 98-105)., Print version record.
Express Lanes increase roadway capacity and help manage congestion on Colorado highways by adding lanes that provide a choice to drivers. Motorists can choose to ride the bus, carpool or pay a toll to use the express lanes as an alternative to the free general purpose lanes., video file MPEG 48MB, Produced by Colorado Department of Transportation, Online resource; title from title screen (viewed August 2019)
Performed in cooperation with the Federal Highway Administration., "July 2003.", Includes bibliographical references (p. 26)., Mode of access: World Wide Web.
Roadside vegetation is exposed to a variety of biotic and abiotic stresses that can impact plant health. Drought, pollution, disease, insects, lack of nutrients, and roadbed management practices may potentially act alone or synergistically to adversely af
Timothy Aschenbrener, Charles MacKean., In cooperation with the Federal Highway Administration., "October 1992.", Technical Report number: CDOT-DTD-R-92-13., Includes bibliographical references (leaves 33-34)., Final report., Print version record.
Final report., Performed in cooperation with the Federal Highway Administration under contract no., "May, 2003.", Includes bibliographical references., Mode of access: World Wide Web.
Colorado Department of Transportation (CDOT) does not have evidence how the Dynamic Cone Penetrometer (DCP) test results correlate to other test methods (say, R-value) for Colorado's pavement subgrade. Even, the correlation between single-mass, and dual-mass DCP (which are two ways of conducting DCP test) is still unknown. Pavement Mechanistic Empirical Design (PMED) guide provides some correlations among different subgrade tests. However, those correlation are derived from national data. Research was thus needed to investigate the correlation between single-mass, and dual-mass DCP, and determine correlations among other subgrade tests for Colorado's pavement soils., Md Rashadul Islam and Sylvester A. Kalevela., "December 2019.", Report No. CDOT-2019-05, Online resource; title from PDF cover (viewed January 2020)
The objective of this study is to determine if the development of a standardized subset of bridge plans s feasible and cost effective. The past 30 years of successful Colorado Department of Transportation bridge design can be used as a starting point to create a standardized subset of bridge plans., Michael McMullen, Chengyu Li., "September 2015.", Prepared in cooperation with the US Department of Transportation, Federal Highway Administration., Cover carries incorrect report number of CDOT-2015-05. Correct report number is CDOT-2015-06 is on Technical Report Documentation Page., Bibliography: pages 68-72., Report No. CDOT-2015-06., Online resource; title from PDF cover (viewed April 2016)
"Submitted pursuant to 42 USC 4332(2)(c) and 49 USC 303 by the U.S. Department of Transportation, Federal Highway Administration and the Colorado Department of Transportation, "October 2007.", Description based on online resource; title from PDF cover (viewed September 2013), State project code STU CO 10-068, Project code: 13810
"Submitted pursuant to 42 USC 4332(2)(c) and 49 USC 303 by the U.S. Department of Transportation, Federal Highway Administration and the Colorado Department of Transportation, "February 2008.", Description based on online resource; title from PDF cover (viewed September 2013), Project STU CO 10-068
Donna S. Harmelink., In cooperation with the Federal Highway Administration., "November 1992.", Technical Report number: CDOT-DTD-R-92-9., Final report., Print version record.
Historically the Colorado Department of Highways has approved roadside sign material based on data obtained using the weatherometer. While the weatherometer gives some comparative performance data related to UV stability and exposure to moisture, the true performance is best measured under actual field conditions. An outdoor exposure deck was constructed to test sign materials for their field performance and expected longevity. Sample materials were split into three pieces, one for the weatherometer testing, one for the outdoor exposure deck, and one to remain in original condition for later comparison. This report describes the construction of the deck, and the sheeting results after three years of exposure to Colorado weather., David A. Price., Introduction -- Test deck -- Weatherometer -- Materials -- Testing -- Test results -- Conclusions -- Implementation -- Appendices., In cooperation with the Federal Highway Administration., "July 1991.", Technical Report number: CDOH/DTD/R-91/5., Includes bibliographical references (page 13)., Final report., Print version record.
Access control plan -- Appendix A: Existing roadway/access configuration -- Appendix B: Recommended roadway/access configuration -- Appendix C: Access control plan (ACP) -- Appendix D: Draft inter-governmental agreement -- Appendix E: Property information -- Appendix F: Average daily traffic (ADT) -- Appendix G: Turning movement counts (TMC) -- Appendix H: Existing level of service (LOS) -- Appendix I: Accident data -- Appendix J: 2035 no-action level of service (LOS) roadway laneage -- Appendix K: Initial public open house materials -- Appendix L: Second public open house materials -- Appendix M: Final Public Open House Materials -- Appendix N: Future level of service with recommended changes to access -- Appendix O: Conceptual design improvements at US 50/Unaweep Avenue and US 50/B 1/2 Road., Cover title., "November 2008."
