The Colorado Department of Transportation (CDOT) is currently investigating approaches to reduce the frequency and severity of work-related injuries. The incident rates for CDOT are significantly higher than those achieved by some private organizations and comparable DOTs.
The use of vibratory steel rollers during breakdown compaction of hot mix asphalt overlays on asphalt pavements containing crack sealants appears to exacerbate the presence of bumps and transverse cracks in the new asphalt directly over and in front of the cracks. the new asphalt directly over and in front of the cracks.