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INDIAN RIVER COUNTY <br /> PUBLIC WORKS DEPARTMENT <br /> TRAFFIC ENGINEERING DIVISION <br /> TRAFFIC CONTROL DEVICES MAINTAINED BY INDIAN RIVER COUNTY <br /> January, 2011 <br /> VI. SPEED LIMIT ZONES ON COLLECTOR/ARTERIAL ROADWAYS (continued) <br /> ROADWAY FROM TO SPEED LIMIT (M.P .H.) <br /> 201h Avenue 21 " Street SW 17th Lane SW 35 <br /> 201h Avenue 17th Street SW Oslo Road 30 <br /> 201h Avenue Oslo Road 1St Street SW 45 <br /> 20th Avenue 1St Street SW SR 60 35 <br /> Old Dixie Hwy South County Line 12th Street 40 <br /> Old Dixie Hwy 12th Street Seminole Avenue 35 <br /> Old Dixie Hwy Seminole Avenue 201h Street 30 <br /> Old Dixie Hwy U. S. 1 49th St 35 <br /> Old Dixie Hwy 49th St CR 510 45 <br /> I.R. Drive South U. S . 1 Sebastian Cty Lint 30 <br /> I.R. Drive Sebastian City Lmt North U. S . 1 30 <br /> 6th Avenue U. S, l 21st Street 30 <br /> I.R. Boulevard U. S. 1 37th Street 45 <br /> I.R. Boulevard Grand Harbor Blvd 53 �d Street 45 <br /> NOTE: In accordance with Florida Department of Transportation speed zoning <br /> regulations, Florida Statutes Chapter 316 , and nationally adopted traffic <br /> engineering practices (M.U. T. C .D . — Manual on Uniform Traffic Control Devices) , <br /> the speed limit on County roadways shall be set as close as possible to the 85th <br /> percentile speed ; that is , the speed which 85 percent of free-flowing vehicles are <br /> traveling at or below. In residential areas, the speed limit on paved roadways shall <br /> be posted at 30 miles per hour. <br /> Page 14 of 17 <br />