When hackers struck the Colorado Department of Transportation in a ransomware attack in February and again eight days later, they disrupted the agency’s operations for weeks.

WEST POINT, Ga. — Just past the Alabama border, in a bit of rural Georgia filled with manufacturing plants and distribution warehouses, there's an 18-mile stretch of Interstate 85 where new technologies are being tested for what could be a green highway of the future.

Some states are closing traditional highway rest stops because they don't have the money to maintain them or because the stops don't attract enough traffic to justify keeping them open.