Vehicle Tracking is provided with a number of vehicles that can be used immediately, with predefined dimensions and characteristics.
In the UK version, these vehicles are provided in a file called UK_xxx.ATL, where xxx is the most recent version of Vehicle Tracking that can read it, such as UK_700.ATL. These collections of vehicles are referred to as vehicle libraries. Additional vehicle libraries are available for different markets and can even be created by users themselves. However, to ensure that vehicle details do not change arbitrarily, there are restrictions on who can edit them. These restrictions require that users identify themselves if they wish to access a library to make changes. No password is needed simply to use a vehicle contained therein.