SEC. 89.04. ENTRANCE AND EXITS.

   Persons entering an Airport by vehicle shall enter by means of those roadways which are designed as entrances to the Airport and shall leave by way of those roadways which are designated as exits, except as to those roadways which are used as both entrances and exits.

SEC. 89.05. STOPPING AT STOP SIGNS.

   The driver of any vehicle approaching any intersection sign posted with a stop sign shall stop at a limit line, if marked otherwise before entering the crosswalk on the near side of the intersection or, if none, then before entering the intersection.

SEC. 89.06. USE OF SERVICE ROADWAYS.

   No person shall use any service roadway for any purpose other than that for which it is designated, as provided in this division.

SEC. 89.07. DRIVING IN PARKING AREAS.

   All drivers of vehicles entering upon any public parking area shall follow and comply with any directional markers or signs therein.

SEC. 89.08. U-TURNS.

   When appropriate signs are erected, no person shall turn any vehicle on any public roadway so as to proceed in the opposite direction.