Complex sentence: A number of shared space projects were planned by the former authority, Auckland City Council, in several of the streets in the Auckland CBD, to improve the ability of pedestrians, cyclists and (slow-speed) motor vehicles to share the same transport spaces.
Split into simpler sentences: A number of shared space projects were planned in several of the streets in the Auckland CBD. These upgrades aimed to improve the ability of pedestrians, cyclists and (slow-speed) motor vehicles to share the same transport spaces.