Interstate 20 is missing some metal. Newton County Sheriff’s Office received a complaint on Friday, Aug. 29, from an employee with the Georgia Department of Transportation (GDOT) regarding 16 missing interstate grates on I-20 in Newton County. The grates were removed without permission from I-20 westbound and eastbound between exits 90 and 94, leaving a dangerous roadway hazard, according to an NCSO press release.