New road will help clean storm water runoff that drains into rivers , Chesapeake Bay . Road will divert water into natural gardens designed to filter water . Plan also uses native tree cover to cool streets , solar - powered street lights . Project aims to reduce storm water pollution , air pollution , damage to the environment , official says .
New road will help clean storm water pollution that drains into rivers , Chesapeake Bay . Road will divert runoff into natural gardens designed to filter water . Plan also uses native tree cover to cool streets , wind-powered street lights . Project aims to reduce storm water pollution , air pollution , fallout to the bay , official says .