articleThe Brief Northbound I-285 is blocked between Exits 38 and 39 in DeKalb County due to police activity. GDOT warns drivers could face delays of up to an hour, with traffic diverted to Highway 78. Northbound lanes of Interstate 285 between Exit 38/Lawrenceville Highway and Exit 39 in DeKalb County were temporarily blocked because of police activity on Thursday afternoon. Click here for SKYFOX Traffic mapThe closure was reported shortly after 1 p.m. Traffic was being diverted onto Highway 78 at the time. What they're saying:DeKalb County police later informed FOX 5 Atlanta that a man was shot in what appears to be a road rage incident.