Complex sentence: The route starts at the intersection of the Kiev's beltway and Victory Parkway (Prospekt Peremohy), for which it serves as an extension and formerly is known as Brest-Litovsk Highway (Brest-Lytovske Shose).
Split into simpler sentences: The route starts at the intersection of the Kiev's beltway and Victory Parkway (Prospekt Peremohy), for which it serves as an extension. It uysed to be known as Brest-Litovsk Highway (Brest-Lytovske Shose).