[2] At 844 km (524 mi), the M03 is the longest international state highway in Ukraine.

The route connects Kyiv and Kharkiv with the industrial region of Donbas.

Significant armed conflict has occurred on or near the eastern portions of the highway during the war in Donbas and the 2022 Russian Invasion of Ukraine.

It provides direct access from Kyiv to the Boryspil International Airport.

It has length of 18 km (11 mi) with maximum allowable speed at 130 km/h (81 mph).