CEDAR RAPIDS — Dave Rusch admits the jobs he’s offering are tough. “Four of our eight operating companies are team-driven, including CRST Expedited, our flagship business,” said Rusch, president and CEO of CRST International. “Unfortunately, our biggest challenge, biggest headache and biggest obstacle to further growth is the fact that team-driving is the worst driving in America. “Our drivers are out on the road in teams three weeks at a time, running roughly 4,500 to 5,000 miles a week.