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CON~ULTINGENGINEE~ <br /> <br />1326 EnergyParkDrive <br /> <br />St. PauI, MN 55108 <br /> <br />612-644-4389 <br /> <br />1-800-888-2923 <br /> <br />Fax: 612-644-9446 <br /> <br />April 2, 1997 <br />File: 230-347-80 <br /> <br />Mr. Tom Dumont <br />Assistant Traffic Engineer <br />MnDOT District 3 <br />3725 - 12th Street North <br />P.O. Box 370 <br />St. Cloud, MN 56302 <br /> <br />TH 169 <br />CITY OF ELK RIVER, MINNESOTA <br /> <br />Dear Mr. Dumont: <br /> <br />CIVIL ENGINEERING: <br />ENVIRONMENTAL <br /> <br /> NICIPAL <br />rLANNING <br />SOLID WASTE <br />STRUCTURAL <br />SURVEYING <br />TRAFFIC <br />TRANSPORTATION <br /> <br />ELECTRICAL/MECHANICAL <br />ENGINEERING: <br /> <br />HVAC <br /> <br />POWER DISTRIBUTION <br /> <br />SCADA <br /> <br />SYSTEM CONTROLS <br /> <br /> 'FICESIN: <br />MINNEAPOLIS <br />PRIOR LAKE <br />ST. PAUL <br />WASECA <br /> <br />In follow-up to our recent conversation regarding the red/red timing on the TH 169 <br />signals, the following questions arose at a recent City Council meeting: <br /> <br />Given the number of near misses along this corridor due to people running red <br />lights, would it make the corridor potentially safer by extending the red/red <br />timing on the signals from 1.5 seconds to approximately 2 to 2.5 seconds? <br /> <br />The Council also asked exactly how the 1.5 seconds for a red/red is determined <br />and would adding .5 to 1 second make the intersection any safer and/or have any <br />negative influence on the ability of the highway to move traffic? <br /> <br />I was not quite sure how to answer these questions. I suggested to the City Council that <br />a letter to you, as experts on signal timing issues, would be the best way to get the <br />answers. Would you please respond at your convenience and I will pass your comments <br />on to the City Council. <br /> <br />If you have any questions regarding this issue, please contact me. <br /> <br />Sincerely, <br /> <br />MSA, CONSULTING ENGINEERS <br /> <br />Terry J(. I(,Iaurer, P.E. <br /> <br />TJM:kh <br />347~0202 .apr <br /> <br />CC: <br /> <br />An Equal Opportunity Employer <br /> <br /> <br />