Motor-vehicle examination is given by a large value in investigation and judicial consideration of businesses about road traffic accidents. The known methodologies of production of motor-vehicle examinations and separate divisions of these examinations are considered in a book both already and new. An analysis is offered for their choice from present basic data and for verification of rightness of application of the chosen methodology by comparison of results researches. Amendments are entered in methodologies with the purpose of construction of logical sequence of researches and understanding of processes of co-operation of objects ДТП.Methodologies on the production of motor-vehicle examinations are expounded on the basis of plenary powers of motor-vehicle expert. A manual is sanctified to the important aspect of expert researches : to establishment by the calculation way of basic parameters of motion of transport vehicles influencing on mechanism of road traffic accident, allowing to set guilt or not guilt of participants of incident.Difference of this manual, consists in the complexity of methodical approach. The most known methodologies of production of motor-vehicle examinations, normative and certificate-informative materials, are collected in one place. The methods of establishment of basic parameters of motion of transport vehicles are shown on to basis of laws of physics and mechanics. Methodologies are expounded in the sequence of implementation of motor-vehicle examination. New approaches are given for the decision of expert tasks at the manoeuvres of transport vehicles, at establishment of persons being in the salon of transport vehicle in the moment of ДТП.It is intended for the motor-vehicle experts of state and non-state expert organizations having special professional preparation, advocates, investigators and judges.