US Road Infrastructure

RetroTek-MU mobile retroreflectometer certified by Texas Transportation Institute

Texas Transportation Institue A member of The Texas A&M University System, the TTI (Texas Transportation Institute) has, since 1950 developed solutions to the problems and challenges facing all modes of transportation. Over the last 15 years, researchers at the Texas A&M Transportation Institute (TTI) have established a comprehensive research program related to the visibility of [...]

How Automated Vehicles Will Change Pavement Marking

The needs of cameras and software used to detect pavement markings will drive changes in marking requirements According to FHWA, “Greater uniformity and quality in road markings and traffic control devices would enable automation. Having greater consistency in road markings and traffic control devices and an improved state of good repair benefits all road users, [...]

Evaluation of the Effects of Pavement marking Width on Detectability by Machine Vision: 4 inch vs 6 inch Markings

Summary of Observations Preparing Highways for Automated Driving Systems Transportation Infrastructure Owner Operators (IOOs) are increasingly interested in understanding how they can prepare highways for automated driving systems (ADS). The primary reason for this interest is that ADS are projected to have dramatically positive impacts on highway safety while reducing congestion. Some estimates suggest that [...]

AASHTO Reacts to President Trump’s State of the Union Address

WASHINGTON – The American Association of State Highway and Transportation Officials today reacted to President Donald J. Trump’s reference to infrastructure investment during the State of the Union address before Congress. “We are pleased that President Trump continues to highlight the need for additional federal investment in infrastructure,” said Bud Wright, AASHTO executive director. “AASHTO [...]