Policy Directive 14 Development Technical-Memorandum with Appendices April 7, 2015
https://www.codot.gov/programs/colorado-transportation-matters/statewide-transportation-plans/statewide-transportation-plans
https://www.codot.gov/programs/yourtransportationpriorities/colorado-transportation-matters-old/assets/documents/policy-directive-14-development-technical-memorandum-with-appendices-april-7-2015
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Policy Directive 14 Development Technical-Memorandum with Appendices April 7, 2015
https://www.codot.gov/programs/colorado-transportation-matters/statewide-transportation-plans/statewide-transportation-plans