WEST LAFAYETTE, Ind., Nov. 8 (UPI) -- A Purdue University researcher in West Lafayette, Ind., said his study indicates many U.S. motorists do not respect speed limits.

WEST LAFAYETTE, Ind., June 24 (UPI) -- Higher interstate speed limits on an Indiana highway haven't resulted in additional deaths or serious injuries, a study has determined.

WEST LAFAYETTE, Ind., Jan. 2 (UPI) -- Understanding the differences among U.S. drivers of different sexes and various ages is critical to preventing serious injuries, researchers said.

WEST LAFAYETTE, Ind., Oct. 2 (UPI) -- U.S. researchers say most people are willing to endure the wait for airport security screening, especially if delays are consistent among airports.

WEST LAFAYETTE, Ind., Sept. 27 (UPI) -- A U.S. scientist says air bags and anti-lock braking systems don't reduce the likelihood of accidents because they may encourage aggressive driving.