Catalog Search Results
Pub. Date
[1979]
Description
All highway and related transportation system air quality studies within the jurisdiction of the Department of Highways shall conform to the procedure, format and content described in these guidelines. The guidelines shall be included in all consultant agreements for environmental assessments, environmental impact statements and air quality studies and shall further be a part of all agreements with and binding upon any sub-consultants conducting air...
Pub. Date
2020.
Description
This Interstate 25 (I-25) Central Planning and Environmental Linkages (PEL) Study documents the analysis and recommendations conducted to identify needed transportation improvements along a critical 4.5-mile stretch of I-25 within the heart of Downtown Denver. The PEL Study provides a long-term vision, developed through a collaborative process, for I-25 between Santa Fe Drive/U.S. Highway 85 (US 85) and 20th Street.
Pub. Date
2008.
Description
The Northwest Corridor NEPA (National Environmental Policy Act) process was initiated in 2003 to consider the potential benefits, costs, and impacts of alternative transportation improvements in the northwest Denver Metropolitan area, between the western terminus of the Northwest Parkway in Broomfield County and the SH 58, I-70, and C-470 freeway systems to the south in Jefferson County. Due to lack of funding for construction in the foreseeable future...
Pub. Date
2012.
Description
A PEL Study to provide an understanding of the existing conditions at the Interstate 70 (I-70) and Kipling Street (State Highway 391) interchange while considering future surrounding development and community plans. This Environmental Scan Report identifies environmental resources and environmentally sensitive areas; this is mostly comprised of readily available data and field survey information. The purpose of this scan report is to identify resources...
Author
Pub. Date
[1972]
Description
Air pollution is a matter of concern everywhere, but at high altitudes it may have more significance because of the difficulty that some people have breathing rarefied air. Much of the construction in Western states is above the 6,000 foot level, and highways have been constructed above the 14,000 foot level. The results of tests for carbon monoxide, hydrocarbons, nitrogen oxides and particulates at construction sites in Colorado are presented in...
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