*Informe”State Practices for Local Road Safety”:
http://www.trb.org/main/blurbs/173789.aspx
*Informe”Field Evaluation of Reflected Noise from a Single Noise Barrier—Phase 1″:
http://www.trb.org/main/blurbs/173858.aspx
*Informe “Rockfall: Characterization and Control”:
http://www.trb.org/main/blurbs/167065.aspx
*Informe “Machine-Vision-Based Roadway Health Monitoring and Assessment: Development of a Shape-Based Pavement-CrackDetection Approach”:
*Informe “Use of high-resolution 3-D surface data to monitor change over time on pavement surfaces”:
http://trl.co.uk/reports-publications/trl-reports/report/?reportid=7030
*Remove 80 per cent of traffic lights to boost economy and road safety, says IEA report:
*Survey outlines predictions for public transport by 2025: