Complex sentence: Manual for Streets has been criticised for its approach to permeability of street networks (see permeability (spatial and transport planning)), which critics argue undermines its declared intention to reduce the domination of streets by motor traffic.
Split into simpler sentences: Manual for Streets has been criticised for its approach to permeability of street networks (see permeability (spatial and transport planning)). Critics argue that by encouraging permeability of street networks for motor vehicles, MfS undermines its declared intention to reduce the domination of streets by motor traffic.