M3 "Ukraine" is the main automobile highway, with a traffic density of up to 13,800 vehicles/day, which passes through the towns of Balabanovo, Obninsk, Maloyaroslavets, Kaluga, Sukhinichi, and Zhizdra. An equally important role is played by Moscow - Warsaw federal highway, with a traffic density of up to 11,500 vehicles/day, which passes through Belousovo, Obninsk, Maloyaroslavets, Medyn, Yukhnov, and Spas-Demensk. In addition, there is also a highway of regional importance Vyazma-Kaluga-Tula-Ryazan, with a traffic density of up to 6,750 vehicles/day, and the road section M3 "Ukraine" which passes through the town of Balabanovo. The total length of automobile roads with hard surface is 6,564 km. The density of hard surface road network of common use is 165 km per 1,000 km².