Researchers Test Emergency Exit Signs for Tunnels

The green “running man” sign — an international symbol for “emergency exit”.

About 15 years ago, several catastrophic, deadly highway tunnel disasters occurred in Europe. As a result, researchers began to evaluate methods to more effectively help stranded motorists reach emergency exits. The green “running man” sign — an international symbol for “emergency exit” — was adopted to help communicate with motorists. The United States has yet … Read More

TTI Researcher Presents at Human Factors Annual Meeting

This is a photo of Christina Yager texting on her cell phone while driving.

Texas A&M Transportation Institute (TTI) Associate Transportation Researcher Christine Yager gave a presentation, “The Effects of Reading and Writing Text-Based Messages While Driving,” at the 56th Annual Meeting of the Human Factors and Ergonomics Society. The meeting was held in Boston, MA, October 22–26 and was attended by more than 1,450 participants from the United … Read More

New Study Says Texting Doubles a Driver’s Reaction Time

Distracted driving

Researchers at the Texas Transportation Institute have determined that a driver’s reaction time is doubled when distracted by reading or sending a text message. The study reveals how the texting impairment is even greater than many experts believed, and demonstrates how texting drivers are less able to react to sudden roadway hazards. The study — the first … Read More

Factoring in the Human Equation

Photo of the driving simulator at the Texas Transportation Institute

During the 1930s, several states proposed laws to prohibit the use of radios while driving. According to automobile historian Michael Lam, “Opponents of car radios argued that they distracted drivers and caused accidents, that tuning them took a driver’s attention away from the road, and that music could lull a driver to sleep.” While technologies … Read More

Celebrating 60 Years of Innovation: A history of saving lives, time and resources


Celebrating 60 Years of Innovation: A history of saving lives, time and resources The original 1950 charter of the Texas Transportation Institute (TTI), given by the Texas A&M Board of Directors, charged the Institute with enlisting the broad resources of the college in all forms of transportation research, while giving students the opportunity to study … Read More