would allow 18 - 20 years old to drive a big rig across state lines a plan that many hope will ease the current supply chain crunch. austin westfall has that story. >> in many states people 18 years and older can already drive trucks within state lines but they want to drive trucks over state lines they need to be 21 years old. a new program is aiming to change that. >> 6000 trucks or 3500 trucks in a day. >> those who run the 300-acre terminal and south carolina loading and unloading. a lot of ports have been affected including guards is different ports at different times. >> the ceo of carolina ports says the valley is only possible when the terminal is flowing well. >> it's tough during a trucker shortage. she works with the local trucker school. >> the program is not only