Complex sentence: In the 1960s, transport design studies were undertaken to address the problems of increasing traffic congestion, and numerous urban public transport schemes were evaluated for Manchester, including several types of monorail systems, guided busways and metro-style systems.
Split into simpler sentences: In the 1960s, transport design studies were undertaken to address the problems of increasing traffic congestion. A number of urban public transport schemes were evaluated for Manchester, including several types of monorail systems and metro-style systems.