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Interstate 475 (I-475) is an Interstate Highway in the US state of Michigan. I-475 is a bypass route that serves the downtown area of Flint while its parent, I-75, passes through the west side of the city. I-475 starts southwest of Grand Blanc and runs through suburbs of Flint before passing through downtown. There it intersects I-69 and crosses the Flint River. The freeway turns westerly to connect back to I-75 north of Flint near Mount Morris. This component freeway of the state trunkline highway system was planned in the 1950s and built in the 1970s. The trunkline was first named the Buick Freeway to honor David Dunbar Buick's contributions to Flint's early automotive industry as founder of Buick Motor Company. I-475 was renamed in 1981 the UAW Freeway, honoring the United Auto Workers, a labor union which was active in Flint. At the same time, the name of I-69 in Flint was changed from the "Chevrolet Freeway" to the "Chevrolet-Buick Freeway". Since 2001, I-475 has borne both the UAW and Buick names officially. ==Route description== I-475 starts at a partial interchange with I-75 in Grand Blanc Township, southwest of Grand Blanc. From this start at exit 111, the freeway proceeds northward through a suburban residential area next to a baseball field complex. As I-475 continues northward, it has an interchange with Hill Road near the Crestwood Memorial Gardens cemetery and several commercial properties. North of the Maple Road underpass, the freeway crosses into the suburb of Burton where it runs for about before crossing into the city of Flint. The freeway then curves around to the northeast near Thread Lake, crossing over Saginaw Street. I-475 follows the western shore of the lake as it turns northward to run into downtown Flint. South of the four-level stack interchange with I-69,〔 I-475 crosses over a line of the Canadian National Railway. North of this interchange, the freeway runs more northwesterly as it skirts the eastern edge of downtown Flint. Near the campus of the University of Michigan-Flint, I-475 curves to run parallel to the Flint River before crossing it next to an industrial area. There is an interchange complex on the northwest side of the river that provides access to Stewart Avenue and M-54 (Dort Highway). I-475 then runs north and northwesterly〔〔 parallel to a rail line operated by CSX Transportation.〔 North of Carpenter Road, the freeway exits the city of Flint and enters Genesee Township. The Interstate turns to the east to cross into Mount Morris Township before meeting an interchange for Saginaw Street. There is one more interchange for Clio Road before I-475 terminates at a full interchange with I-75's exit 125.〔〔 I-475 is maintained by the Michigan Department of Transportation (MDOT) like other state highways in Michigan. As a part of these maintenance responsibilities, the department tracks the volume of traffic that uses the roadways under its jurisdiction. These volumes are expressed using a metric called annual average daily traffic, which is a statistical calculation of the average daily number of vehicles on a segment of roadway. MDOT's surveys in 2010 showed that the highest traffic levels along I-475 were the 57,400 vehicles daily north of the I-69 interchange in Flint; the lowest counts were the 18,637 vehicles per day west of the Clio Road interchange. As an Interstate Highway, I-475 has been listed on the National Highway System, a network of roads important to the country's economy, defense, and mobility. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Interstate 475 (Michigan)」の詳細全文を読む スポンサード リンク
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