George Hearn., "May 1991.", Technical Report number: CDOH/R/UCB-91-6., Issued by the Colorado Division of Transportation Development., Work performed and report written under Department of Highways; report published after agency name change to Department of Transportation., Print version record.
Final report., "Sponsored by the Colorado Department of Transportation In Cooperation with the U.S. Department of Transportation, Federal Highway Administration.", "February 2006.", "Report number CDOT-DTD-R-2006-7.", Includes bibliographical references (p. 108-111)., Mode of access: World Wide Web.
Positive protection is defined by Federal Highway Administration (FHWA) as "devices that contain and/or redirect vehicles and meet the crash worthiness evaluation criteria contained in NCHRP Report 350." By this definition, positive protection devices should prevent intrusion into the work area. These guidelines address the use of positive protection devices in work zones., "January 2010.", Online resource; title from PDF cover (viewed December 2015)
The Manual has been developed to provide designers of highway facilities including managers, engineers and landscape architects, a guide for the desired environmentally responsible and aesthetic outcomes of individual projects. It is intended for CDOT internal use, as well as for consultants, it gives direction for landscape and structural improvement design. This manual is constructed to facilitate the design process while supporting the regional planning and environmental manager (RPEM), resident while supporting the regional planning and environmental manager (RPEM), resident engineers and maintenance managers. The manual is a central resource to be used for design decisions associated with the areas of transportation right of way interface with adjacent communities, transportation facilities themselves and the aspects of design that are influenced by the settings around linear corridors., prepared for Colorado Department of Transportation ; prepared by DesignWorkshop., Includes bibliographical references (pages 211-228), Online resource; title from PDF cover (viewed May 2025)
Cover title., "February 28, 2006.", "The guide was developed, prepared, and reviewed in 2006 by Clanton and Associates and a team of CDOT engineers representing all CDOT regions."--P. 1., Mode of access: World Wide Web.
