Residential sidewalks must be at least 4 feet wide on local streets and 5 feet wide on arterial streets. Commercial and industrial sidewalks must be at least 5 feet wide.
Sidewalks should be a minimum of 4 inches thick. Sidewalk through driveways shall be 6 inches thick, or the driveway thickness, whichever is greater. Sidewalks through alleys shall be 6 inches thick. Click the link below for more information regarding specifications.