report it 2m 20s maximum video length – registration needs to be clear location and time within tweet comments Avon and Somerset @ASPRoadSafety Bedfordshire @roadpoliceBCH Cambridgeshire @roadpoliceBCH Cheshire @CheshireRCU City of London @MPSRTPC Cleveland @ClevelandRPU Cornwall @DC_RPT Cumbria @CumbriaRoadsPol Derbyshire @DerbyshireRPU Devon @DC_RPT Dorset @DorsetTraffic Durham @DurhamRPU Essex @EPRoadsPolicing Gloucestershire @GlosPolSpecOps Greater Manchester @gmptraffic Hampshire @HantsPolRoads Hertfordshire @roadpoliceBCH Humberside @HumberbeatRoads Kent @KentPoliceRoads Lancashire @LancsRoadPolice Leicestershire @LeicsPoliceRPU Lincolnshire @LincsPolice Merseyside @MerPolTraffic Metropolitan @MPSRTPC Norfolk @NSRAPT Northamptonshire @Northants_RCT Northumbria @NPRoadSafety North Yorkshire @NYorksRPG South Yorkshire @SYPOperations Staffordshire @RoadPolicing Suffolk @NSRAPT Surrey @SurreyRoadCops Sussex @SussexRoadsPol Thames Valley @tvprp Warwickshire @OPUWarks West Mercia @WMerciaRoads West Midlands @Trafficwmp West Yorkshire @WYP_RPU Wiltshire @wiltshirepolice Dyfed–Powys @PowysRPU Gwent @gwentpolice North Wales @NWPolice South Wales @SWP_Roads Scotland @polscotrpu Northern Ireland @NIRoadPolicing