Canada

• Vancouver Traffic Authority, a department within the Vancouver Police Department
  Vancouver Police Department
  The Vancouver Police Department is the police force for the City of Vancouver in British Columbia, Canada. It is one of several police departments within the Metro Vancouver Area and is the second largest police force in the province after RCMP "E" Division.VPD was the first Canadian police force...
  
   responsible for directing traffic and enforcing traffic-related laws.

Other

• Visual flight rules
  Visual flight rules
  Visual flight rules are a set of regulations which allow a pilot to operate an aircraft in weather conditions generally clear enough to allow the pilot to see where the aircraft is going. Specifically, the weather must be better than basic VFR weather minimums, as specified in the rules of the...
  
   terminal area charts, a term used in aviation
• Vascular-targeting agent
  Vascular-targeting agent
  A vascular-targeting agent or vascular disrupting agent is a drug designed to damage the vasculature of cancer tumors causing central necrosis.VTAs can be small-molecule or ligand-based....
  
  , a drug designed to damage the vasculature (blood vessels) of cancer tumors causing central necrosis
• Ventral tegmental area, a term used in neuroanatomy which is part of the midbrain tegmentum that lies close to the substantia nigra and the red nucleus
• Visual TimeAnalyzer
  Visual TimeAnalyzer
  Visual TimeAnalyzer is a desktop application, produced by Neuber Software GmbH, based in Halle, Germany. It automatically tracks computer activities, working time, pauses, projects, costs, software, and Internet use automatically. It presents detailed, richly illustrated reports. Visual...
  
  , an automatic time tracking software for Windows