SCHEDULE III.  SCHOOL TRAFFIC ZONES.
   Upon the basis of an engineering and traffic investigation, the following streets are designated school traffic zones. The maximum lawful prima facie speed limits hereinafter indicated for vehicles are hereby determined and declared to be reasonable and safe, and such speed limits are hereby fixed for vehicles traveling upon the following named streets and highways, or parts thereof, and the school traffic zones shall be in effect on school days when school traffic zone signs bearing a flashing amber light and located at said zones are in operation. Traffic zone speed limit signs shall be placed at the school zone by the Director of Traffic Control. The maximum lawful prima facie speed limit in the school traffic zones when the amber light is flashing shall be as designated in the chart below. The locations of the school traffic zones are as follows.
 
Street
Portion of Street
Speed (mph)
Time Period
FM 740 (Laurence Drive)
From mile post MP 10.347 to MP 10.732 located adjacent to Rockwall Heath High School and depicted on Exhibit A of Ord. 110802A
30
Whenever a signal light if flashing, generally at the beginning and end of each school day
FM 3097
From a point .751 miles south of the north city limits to a point south .4 miles from the north city limits which terminates at the intersection of FM 3097 and FM 549
45
All except as specified below
FM 3097
From a point .751 miles south of the north city limits to a point south .4 miles from the north city limits which terminates at the intersection of FM 3097 and FM 549
30
Between the hours of 7:30 a.m. and 9:15 a.m. and between the hours of 2:30 p.m. and 4:15 p.m. on school days
FM 3097
North city limits thence south .751 miles
55
All
Laurence Drive
200 Block to 400 Block
25
7:15 a.m. to 8:30 a.m. Monday through Friday 2:55 p.m. to 3:30 p.m. Monday through Friday
 
(2005 Code, § 8-2-1.1)  (Ord. 990819, passed - -; Ord. 030817A, passed - -; Ord. 030821A, passed - - ; Ord. 110802A, passed 8-2-2011)