Capt. Michael Krumm says in a release that riders expect buses are "mechanically sound" and drivers comply with the laws.
Michigan State Police effort aims to boost bus safety →
"After I stopped playing tennis in 1996, I never thought I would come back on the tour. But I love sports. I love tennis," said Date-Krumm, who is ranked No. 100.
Japan's Date-Krumm sets record at Australian Open →