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M Director Davis stated that the median openings along Mooringline Drive are basically defined in the LDRs. Chapter 952 states, "to assure traffic safety, capacity, and control, median openings located within a traffic -way corridor shall be spaced the maximum distance apart that will allow safe and adequate traffic circulation." The words "traffic -way corridor" have always, since the development of the Code, been construed to mean those roadways on the County's Thoroughfare Plan. Those are collector and arterial roadways that have been classified higher than just a local road. In the LDRs, a "median" is defined as "the physical portion of a highway separating the traveled ways for traffic in opposite directions. " The word highway is further def ined as a roadway the primary function of which is to serve traffic.. There are other definitions in the LDRs on other type streets, particularly local streets which are primarily intended to provide direct access to property. Staff and the traffic engineering community have utilized other engineering publications such as the AASHTO Code Green Book and the Florida DOT Green Book. There are distinctions between highways and local roads. Director Davis asked the Board to view some photographs of Mooringline Drive that he took that morning. The first one shows the median, with a 25 mph speed limit sign posted on the median. He noted that many driveways connect onto the roadway, the roadway itself terminates just east of the Indian River and serves primarily as access to the abutting lots, the single- and multi- family lots that access that particular roadway. The point is that the road has a speed limit of 25 miles an hour. It is not functioning as a highway; it is functioning as a local street. In our opinion, it is not included in the County's Thoroughfare Plan as a collector or an arterial route which would be a highway under the Code. Commissioner Eggert appreciated Director Davis' opinion on the definitions, but she was concerned about two left turns of this type that close together with traffic going east on top of that, and considers that a really unsafe situation, especially when one of those will be used by trucks. Director Davis noted that most trucks would be coming from AlA. Commissioner Eggert also was concerned about the traffic coming around Bowline Drive, and Director Davis explained that the second opening meets the separation requirements in the Code that 116 July 12, 1994 MOK U2 PACE8196