A roadblock is a temporary installation set up to control or block traffic along a road. They are usually instantiated by the police, or military, or road transport authorities.
Example Usage of Roadblock
TampaBayTraffic: I-275/St. Petersburg update: Roadblock reported NB past 54th Ave N @ Gandy Blvd overpass
TampaBayTraffic: Davenport: Crash with Roadblock on US-27 N @ Home Run Blvd.
mrjjude: This ain't even traffic it's a fucking Roadblock or something. Been stuck for a whole f'n 40 minutes
