The May-June 2009 issue of TR News includes the following articles:
The Environment and Transportation: Making Both Better Than Before
Transportation and Environmental Sustainability: Taking “Making It Better Than Before” into the Future
Air Quality Management: Successes and Emerging Challenges
Transportation Ecology and Wildlife Passages: The State of the Practice and Science of Making Roads Better for Wildlife
Best Practices for Preventing Wildlife–Vehicle Collisions
Assessing Road Barriers to Aquatic Species: Lessons Learned in the Northwest
Public Outreach on Noise Impacts from Transportation Projects: Communicating and Improving Measures for Transit, Highways, and Airports
Arizona Tests Quieter Highway Pavement
Transportation and Historic Preservation: Progress and Research
Preserving Bridges Nationwide: Improving on the Past
Introducing Context-Sensitive Solutions to the Next Generation of Transportation Professionals
Research Pays Off - Reducing Underwater Sounds with Air Bubble Curtains: Protecting Fish and Marine Mammals from Pile-Driving Noise