United States. Federal Highway Administration. Office of Research.

• Drilling and preparation of reusable, long range, horizontal bore holes in rock and in gouge
• Extension and replacement of asphalt cement with sulfur
• Hazardous effects of highway features and roadside objects
• Highway air quality impact appraisals
• Human factors requirements for real-time motorist information displays
• Implementation and evaluation of a moving merge control system in Tampa
• Optimization of traffic lane delineation
• Overlay design and reflection cracking analysis for rigid pavements
• Post Extension and replacement of asphalt cement with sulfur
• Remedial measures for problem cloverleaf interchanges
• Signing and delineation for special usage lanes
• Study of the effectiveness of reduces visibility guidance techniques