History of bus model Paz-4234 extremely curious. In 2002 year at Kurgan bus plant (Kavz) experiment was extended bus body Groove-32053 by inserting an extra section. This bus was presented to kurgancami during the celebration of the 70-th anniversary of the Groove. Pavlovcam liked the idea, and in record time has created the project documentation for the elongated slot. The model, known as Groove-4234, was put into series production in the spring of 2003.