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3. Truck movement is also increasing significantly. <br />Minnesota's economic growth, just-in-time delivery practices, and the increasing use of on-line <br />shopping are contributing to increasing demands on Minnesota roadways by the trucking industry. <br /> <br />According to recent estimates, truck <br />traffic on Minnesota roadways is <br />increasing about two percent per <br />year. <br /> <br />According to recent figures from the <br />Minnesota Trucking Association, <br />trucks deliver freight for over 9,000 <br />manufacturing companies in the <br />state, which represent 88% of all <br />manufactured freight transported in <br />Minnesota. Trucks supply goods to <br />over 28,000 retail stores, and stock <br />1,162 wholesale trade companies. In <br />addition, trucks supply goods to over <br />3,000 agriculture-related businesses <br />in the state. A great many of these <br />destinations are located within city <br />borders, so city streets are critical to <br />the safe and efficient movement of <br />freight throughout the state. <br /> <br />1,800 <br /> <br /> Figure 16 <br />Truck Vehicle Miles of Travel: All Roadways <br />1991 - 1999 <br /> <br />,600 <br />,400 <br /> <br />,200 <br /> <br />,000 <br /> <br />800 <br />600 <br /> <br />400 <br /> <br />200 <br /> <br /> 0 <br /> 1991' 1992 1993' 1994 1995 1996 1997 1998' 1999 <br /> <br />Source: 2002 Economic Report to the Governor. * 1991 and 1993 precise <br />figures unavailable. Estimates for these years are presented based on <br />historical trends. A new methodology for estimation was implemented in <br />1998. <br /> <br />4. City road and bridge infrastructure is aging. <br />City Roads <br />Most of the data on the aging of the street infrastructure in Minnesota cities is limited to only the 15 <br />percent of the overall mileage that is part of the Municipal State Aid system. The State Aid for Local <br />Transportation Group of MnDOT maintains these records in order to determine state MSA allotments. <br />In general, cities do not report data concerning the aging of the city streets which are funded with <br />locally generated revenue. Figure 17 <br /> <br />In an effort to assess the needs <br />of the locally funded city street <br />system and of the MSA system <br />in larger cities, the 2002 City <br />Road and Bridge Survey asked <br />cities to supply spending trends <br />on each system over the last five <br />years. Using mileage data <br />available through Mn/DOT, we <br />were able to derive the <br />"spending per mile" for the <br />construction and maintenance <br />costs on the MSA system <br />compared to the spending per <br /> <br /> Average Spending per Mile for Each of the 3 City Road Categories <br />$40 <br /> <br />~" $35 <br />· - $30 <br /> <br /> ~$25 <br /> <br /> ff--$~5 <br /> $40 <br /> $5 <br /> <br />MSASystem, Cities Over 5,000 LocallyFunded CityStreets, <br /> - Total Mileage 2,818 Cities O¥~r 5,000 - Total <br /> Mileage 14,072 <br /> <br />Locally Funded City Streets, <br />Cities Under 5,000 - Total <br />Mileage 1,703 <br /> <br />Source: 2002 City Road and Bridge Funding Survey <br /> <br />mile cost on the locally funded city street system This relationship is displayed in Figure 17. <br />Based on the survey results, the average MSA eligible city spent just over $35,000 per mile for <br />roadway construction and maintenance between 1997 and 2001. This compares to average annual <br /> 18 <br /> <br /> <br />