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LMCIT Sign Retroreflectivity Memo and Model Policy , League of Minnesota Cities (Final Edition, March 2014). Article IV. Sign Inventory To meet the city’s goal of maintaining sign retroreflectivity above certain levels, the City of Roseville will maintain a sign inventory of all new or replacement signs installed after the effective date of this policy. The inventory shall indicate the type of sign, the location of the sign, the date of installation or replacement, the type of sheeting material used on the sign face, the expected life of the sign, and any maintenance performed on the sign. As to existing signs, the city will perform an inventory of all signs covered by this policy. The city recognizes this process will occur over time subject to the city’s monetary and human resources. The city completed its sign inventory in 2011. The city shall record the above information related to new signs to the extent that such information is known and shall also include a statement on the general condition of the sign. Article V. Removal of Signs In recognition of the fact that excess road signs have been shown to reduce the effectiveness of signage, as well as impose an unnecessary financial burden on road authorities, it is the city’s policy to remove signs determined to be unnecessary for safety purposes and which are not required to comply with an applicable state or federal statute or regulation. The removal of signs shall be based on an engineering study and the MN MUTCD. Article VI. Approved Sign Evaluation Method. After reviewing the various methods proposed for sign maintenance, the City adopts one or more of the following methods to meet the minimum sign retroreflectivity requirements in the MN MUTCD: 1) Expected Sign Life The installation date is labeled or recorded when a sign is installed, so that the age of any given sign is known. The age of the sign is compared to the expected sign life. The expected sign life is based on the experience of sign retroreflectivity degradation in the City. Signs older than the expected life will be replaced. 2) Blanket Replacement All signs in the City of a given type are replaced at specified intervals. This eliminates the need to assess retroreflectivity or track the life of individual signs. The replacement interval is based on the expected sign life for the shortest-life material used in the City or a given sign type. The current replacement interval is 20 years. Article VII. Sign Replacement. The City hereby establishes the following priority order in which road signs will be replaced: