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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 /> July, 2011 <br /> VI. SPEED LIMIT ZONES ON COLLECTOR/ARTERIAL ROADWAYS (continued) <br /> ROADWAY FROM TO SPEED LIMIT(M. P.H.) <br /> 20th Avenue 25th Street SW 21 " Street SW 35 <br /> 20th Avenue 21 " Street SW 17th Lane SW 35 <br /> 20th Avenue 17th Street SW Oslo Road 30 <br /> 201h Avenue Oslo Road 1 " Street SW 45 <br /> 201h 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 20th Street 30 <br /> Old Dixie Hwy U.S. 1 49th St 35 <br /> Old Dixie Hwy 491h St CR 510 45 <br /> I.R. Drive South U.S. 1 Sebastian Cty Lint 30 <br /> I.R. Drive Sebastian City Lint North U.S. 1 30 <br /> 6th Avenue U. S. 1 21St Street 30 <br /> I.R. Boulevard U.S. 1 37th Street 45 <br /> I.R. Boulevard 37th Street Grand Harbor Blvd 50 <br /> I.R. Boulevard Grand Harbor Blvd 53rd 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 business and residential areas, the speed limit on paved <br /> roadways shall be posted at 30 miles per hour. All unpaved roadways shall remain <br /> unposted due to variable surface conditions. <br /> Page 14 of 17 <br />