Agenda - Council - 07/26/1994 - Laserfiche WebLink

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been found to have a continuous effect on vehicle speeds if they are used in groups and spaced less than 800 feet apart. Speed humps do not cause the same problems for bicycles and motorcycles that are experienced with speed bumps. There is also some maintenance difficulties associated with the humps with regard to street sweeping and plowing, however, they are not as severe as with the speed bumps due to their longer base. To be effective, speed bumps need to be installed at intervals of less than 800 feet and the installation of a single hump, including signing and pavement marking, is typical in the range of $1,000 to $2,000. To provide such speed humps on Dysprosium Street N.W. would therefore cost approximately $6,000. Public acceptance of speed humps varies. The initial reaction from people living in the immediate area of the installation is generally positive. In some cases, however, the reaction has been found to become negative over a period of time. Those people who produce through-traffic trips generaI}y have a negative reaction. In some instances, communities which have installed speed humps have removed them. In addition to these two specific requests included in the petition, several other ideas were proposed by Ms. Hoeller when she presented the petition, it was suggested that Dysprosium Street N.W. may be cul-de-saced. Dysprosium Street N.W. was constructed as a part of the City's thoroughfare system of collector and arterial streets. It was constructed with state-aid money and designed to higher standards than residential streets to compensate for the additional traffic. In addition to negating its effect as a collector street, causing significant additional travel and placing an increased traffic at the intersection of Trunk Highway #47 and County Road #116, the City would also be required to return MSA funds to the State. Serious consideration of proceeding with the cut-de-sac would set precedent for similar requests on other sections of our thoroughfare system which also are located through residential areas. The installation of sidewalks was also suggested. Sidewalks are a very effective means of separating pedestrians and motorists. The cost of sidewalk on one side of Dysprosium Street N.W. would be approximately $25,000. Funding for the installation of sidewalk could be financed through state aid funds or property assessments, or both. Recommendation: Staffs recommendation is that the accident history does not warrant any action at this time. Council Action: Based upon discussion. Reviewed by: Copies also distributed to: City Engineer City Administrator Police Chief Finance Officer City Attorney CC: 07/26/94 ,/jmt /sO