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,��csoT MINNESOTA DEPARTMENT OF TRANSPORTATION <br /> P et Engineering Services Division <br /> as °F Technical MemorandumMay 19, 2008'No.08-07-TS-01 <br /> 44' <br /> •4f TRP-- <br /> To: Distribution 57, 612, 618, and 650 4 ) <br /> From: Rick Arnebeck 4 jA .i-■J` , <br /> Director, Engineering Services Divi ion <br /> Subject: Flashing and Moving Lights on Outdoor Advertising Devices <br /> Expiration <br /> This Technical Memorandum supersedes Technical Memorandum 03-11-ES-01 and will be in effect until <br /> May 19, 2013. <br /> Implementation <br /> The guidelines and instructions described in this Technical Memorandum are effective immediately for all <br /> roads in Minnesota that are on the National Highway System and all roads that were a part of the Federal <br /> Aid Primary System as it existed in 1992. <br /> Introduction <br /> This Technical Memorandum establishes a uniform policy to determine whether lighting displays of <br /> outdoor advertising devices contain flashing or moving lights,. <br /> Purpose <br /> To provide District personnel charged with enforcement of MN Statute Chapter 173 (Outdoor Advertising <br /> Act) (http:Uwww:revisor.leg.state.rnn,us/stats/173)with a clear guideline as to what constitutes flashing or <br /> moving lights. <br /> Guidelines <br /> This guideline is intended for evaluating all off-premise outdoor advertising devices that utilize lighting <br /> for illumination and displaying messages or pictorial images. MN Statute 173.15, (7) <br /> (httpJ/www.revisor.leg.state.mn.us/stats/173/15.html) prohibits any outdoor advertising device"which <br /> has distracting flashing or moving lights so designed or lighted as to be a traffic hazard. <br /> Chapter 173.16, Subd 4(establishment of spacing requirements) <br /> (httpJ/www.revisor.leg.state.mn.us/stats/173/16.html),allows motorists to be exposed to an off- <br /> premise advertising device every six seconds when traveling 90 km/h (55 mph)on trunk highways <br /> and expressways and every 5 seconds when traveling 110 km/h (70 mph)on rural interstates. <br /> This is determined by the following calculations: <br /> 1 Outdoor advertising devices are allowed every: 150 m(500 feet) <br /> Trunk Highways &Expressways Rural lnterstates <br /> Vehicle Speed <br /> 90 km/h or 25 m/s 110 km/h or 30 m/s <br /> (55 mph or 80.7 ft/second) (70 mph or 102.7 ft/second) <br /> Time between allowable display <br /> 15 0m/25 m/second=6.0 seconds 150 m/30 m/second= 5 seconds <br /> (500 ft 180 7 ft/second= 6 seconds) (500 ft/102.7 ft/second = 5 seconds) <br /> -MORE- <br />