A series of field reports by the Planning and Research Division of the Colorado Department of Highways, beginning in May 1978 and ending in October 1978 on two different projects on recycling hot mix bituminous pavement. One project reported on was on I-80 west of Laramie, Wyoming. The second set of reports are on a recycling project outside of Buena Vista, Colorado. Includes discussion on methods and equipment used and the results of the various...

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...

Corrosion resistant alloys and non-metallic coating have been tested by exposure to Glenwood Springs geothermal water in a test loop constructed for the purpose adjacent to the Glenwood Springs geothermal well. Several alloys were tested. None of the materials showed any measurable degradation during the test. However, it is recommended that the results be applied with caution; several factors suggest that the data from these tests might be overly...