Project Development of public public transport in Wielkopolska through the purchase of diesel rolling stock consists of the acquisition of four factory-new three-member diesel traction units. The unit capacity of each of these vehicles shall be at least 330 persons, operating speed of at least 120 km/h and acceleration (within the speed range 0-40 km/h) at least 0,4 m/s2. These vehicles will meet the requirements of the applicable Technical Specifications of Interoperability (TSI) and will be equipped with ERTMS/ETCS control systems. The equipment of these vehicles will provide comfort of travel corresponding to the expectations of modern passengers. This rolling stock will be used by Koleje Wielkopolskie sp. z o.o. to carry out passenger rail services in the Wielkopolska voivodship, as part of a public service contract concluded with the Wielkopolska Region. The implementation of the project will result in the achievement of the following product indicators:• number of units purchased of rolling stock: 4 units,• capacity of purchased rolling stock units: 1,320 people.