(a) Barriers. All development shall be physically separated from the feeder road by a curb and planting strip or other suitable barrier. Such barrier shall effectively eliminate unchanneled vehicle ingress and egress except for authorized accessways.
(b) Accessways. Each separate use, grouping of buildings, or grouping of uses as part of a single development shall not have more than two accessways from a feeder road. Such accessways shall not be located closer than 300 feet to the point of intersection of an entrance or exit ramp and the feeder road.