LGV Theory Test preparation materials from the Driving & Vehicle Standards Agency (DVSA - the people who set the tests). Prepare for your Large Goods Vehicle (LGV or Lorry) Theory Test and pass FIRST TIME! APPLICATION FEATURES - Contains the complete revision questions from the Driver and Vehicle Standards Agency (DVSA) for LGV. - Intelligent learning system: The questions are selected using an algorithm taking into account your latest scores and the questions that you need to practice more.