1 of 4 Tribune-Star/Joseph C. GarzaA veteran on the road: Tom Billups has worked for Morris Trucking for over 30 years. Here, he poses for a photo at the business on Wednesday. According to surveys by the American Trucking Association, nearly 57% of all commercial truck drivers are over 45, and 23% are over 55. JOSEPH C. GARZA Tribune-Star/Joseph C. GarzaDrivers in short supply: Tom Billups unhooks a trailer from his semi at Morris Trucking on Wednesday. Billups has worked for the company for over 30 years. JOSEPH C. GARZA JOSEPH C. GARZA Tribune-Star/Joseph C. GarzaDrivers needed: A sign in front of RBW on Wednesday letspassers-by know opportunities are available for CDL holders.