单词	grade separation
释义	grade separation noun : a highway or railroad crossing using an underpass or overpass Example Sentences Recent Examples on the Web In addition to past sessions with a Community Advisory Group to obtain input on the grade separation project, Elmwood Park has held one public informational meeting. Gary Gibula, chicagotribune.com, 29 Mar. 2022 The village also plans to continue to make progress on the grade separation and underpass at Grand Avenue following the appropriation of $24 million in funds to support the project. Kyra Senese, chicagotribune.com, 3 Jan. 2022 In fact, the design of the bridge caused it to be selected by the American Institute of Steel Construction in 1968 as the most beautiful structure in its category -- highway grade separation -- to be opened to traffic in 1967. Bill Bowden, Arkansas Online, 22 Sep. 2021 According to Metra, the grade separation was a direct result of Chicago hosting the 1893 World’s Columbian Exhibition — city leaders didn’t want messy train deaths to tarnish the event’s image. Paul Eisenberg, chicagotribune.com, 11 July 2021 Another $15 million would go to a grade separation — think of it as one road going under or over another — along Pennsylvania Road in Romulus where a train track regularly backs up traffic, secured by U.S. Rep. Rashida Tlaib, D-Detroit. Todd Spangler, Detroit Free Press, 1 July 2021 Infrastructure upgrades include pedestrian grade separation, new bike lanes, sidewalk improvements and more. Sarah Ravani, San Francisco Chronicle, 30 Apr. 2021 The 12-cent increase must be used on regular road maintenance and rehabilitation, safety projects, railroad grade separations and complete streets. Gary Richards, The Mercury News, 11 July 2019 The idea of functional grade separation — pedestrians on one level, cars on another, trucks a third — was a midcentury dream that failed. Mark Lamster, Dallas News, 1 Aug. 2019 See More Word History First Known Use 1935, in the meaning defined above
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