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The Minnesota Road Research Facility (also known as Mn/ROAD, pronounced ''Min-road''), is an outdoor research laboratory operated by the Minnesota Department of Transportation (Mn/DOT) that specializes in testing different types of pavement. Said to be the largest such facility in the world, it is located northwest of Minneapolis-St. Paul near the town of Albertville along Interstate 94 (I-94). Minnesota is a good site for such a project, as the state experiences some of the largest seasonal swings in temperature in the United States, and has a spring freeze–thaw cycle that can heavily damage roadways. More than 4,500 sensors are embedded in and under the road surfaces to measure stresses while the test segments are in use. The facility opened in 1994.A stretch of the Interstate is redirected onto test pavement at the site, and a test track simulating a low-volume rural roadway loops through the facility. Real highway traffic is used for this mainline test area, but traffic is simulated on the low-volume road by a semi-trailer truck. A bypass is available to shift traffic off the mainline testing area so researchers can closely examine the pavement without disrupting flow on the highway.Many different organizations have partnered with Mn/DOT to conduct research at the facility, ranging from partners such as the University of Minnesota, Federal Highway Administration, and Wisconsin Department of Transportation to others like the National Road Administration of Finland.==See also==*AASHO Road Test
The Minnesota Road Research Facility (also known as Mn/ROAD, pronounced ''Min-road''), is an outdoor research laboratory operated by the Minnesota Department of Transportation (Mn/DOT) that specializes in testing different types of pavement. Said to be the largest such facility in the world, it is located northwest of Minneapolis-St. Paul near the town of Albertville along Interstate 94 (I-94). Minnesota is a good site for such a project, as the state experiences some of the largest seasonal swings in temperature in the United States, and has a spring freeze–thaw cycle that can heavily damage roadways. More than 4,500 sensors are embedded in and under the road surfaces to measure stresses while the test segments are in use. The facility opened in 1994.
A stretch of the Interstate is redirected onto test pavement at the site, and a test track simulating a low-volume rural roadway loops through the facility. Real highway traffic is used for this mainline test area, but traffic is simulated on the low-volume road by a semi-trailer truck. A bypass is available to shift traffic off the mainline testing area so researchers can closely examine the pavement without disrupting flow on the highway.
Many different organizations have partnered with Mn/DOT to conduct research at the facility, ranging from partners such as the University of Minnesota, Federal Highway Administration, and Wisconsin Department of Transportation to others like the National Road Administration of Finland.
==See also==
*AASHO Road Test
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「The Minnesota Road Research Facility (also known as Mn/ROAD, pronounced ''Min-road''), is an outdoor research laboratory operated by the Minnesota Department of Transportation (Mn/DOT) that specializes in testing different types of pavement. Said to be the largest such facility in the world, it is located northwest of Minneapolis-St. Paul near the town of Albertville along Interstate 94 (I-94). Minnesota is a good site for such a project, as the state experiences some of the largest seasonal swings in temperature in the United States, and has a spring freeze–thaw cycle that can heavily damage roadways. More than 4,500 sensors are embedded in and under the road surfaces to measure stresses while the test segments are in use. The facility opened in 1994.A stretch of the Interstate is redirected onto test pavement at the site, and a test track simulating a low-volume rural roadway loops through the facility. Real highway traffic is used for this mainline test area, but traffic is simulated on the low-volume road by a semi-trailer truck. A bypass is available to shift traffic off the mainline testing area so researchers can closely examine the pavement without disrupting flow on the highway.Many different organizations have partnered with Mn/DOT to conduct research at the facility, ranging from partners such as the University of Minnesota, Federal Highway Administration, and Wisconsin Department of Transportation to others like the National Road Administration of Finland.==See also==*AASHO Road Test」の詳細全文を読む
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