Catalog Search Results
Pub. Date
2013-
Description
In September, 2013, a slow-moving cold front stalled over Colorado, clashing with warm humid air from the south, resulting in a severe rain event that lasted a week and caused catastrophic flooding and damage along Colorados Front Range. Flood impacts were widespread, particularly across northern Colorado, where rockslides, landslides, mudslides and washouts caused major damage and, in some cases, total destruction of residences, roadways and local...
Author
Pub. Date
2016.
Description
The Winter Performance Index is a method of quantifying winter storm events and the DOTs response to them It is a valuable tool for evaluating the States maintenance practices, performing post-storm analysis, training maintenance personnel, and identifying potential areas of cost savings and improved performance.
Author
Pub. Date
2014.
Description
Thermal Mapping surveys were carried out on approximately 1000 miles of the Colorado Department of Transportations (CDOTs) roads. The purpose of these surveys was to identify road surface variations across the network to determine whether forecast Thermal Maps or the data from the surveys would be useful to decision-makers in the CDOT regions.
Pub. Date
2013.
Description
Interviews discussing CDOT's response to the September 2013 flood that damaged roads and bridges from mountain canyons to the eastern plains. Besides monitoring the damage to roads and bridges CDOT played a role in evacuating 18,000 people. The governor challenged CDOT to get the roads and bridges sufficiently repaired by December 2013 to allow safe travel. CDOT met the challenge and immediately began planning permanently rebuilt roads to handle a...
Pub. Date
2010.
Description
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.
Author
Pub. Date
2021.
Description
Automated Truck-Mounted Attenuators (ATMAs) utilize technology to remove a human driver from a vehicle with a high potential for collision. This report evaluates DOT workers' perceptions of working with this automated technology, in order to identify any disconnect between operators and the ATMA system. The study objective was to 1) understand workers' acceptance and understanding of the ATMA technology; 2) Identify ATMA-worker interactions that are...
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