police checkpoint

• roadblockObstruction across a road
• barrierObstruction preventing passage
• inspectionFormal assessment of condition
• borderOuter edge or limit
• securityProtection from threat

officer · patrol · stop · documents · ID · passport · license · search · military · curfew · barricade · crossing · guard · flashlight · queue · traffic · vehicle · contraband

• checkpointscheckpoint, border crossing, passport control, security gate, roadblock
• traffictraffic jam, congestion, traffic, gridlock, traffic congestion
• travel obstaclesroadblock, road closure, detour, traffic jam, gridlock