NEW YORK ?EUR??,,????'??? Signaling an important change in policy towards the High Line elevated rail structure, on Manhattan?EUR??,,????'???s Far West Side, the City of New York filed with the Surface Transportation Board (STB), in Washington DC, requesting that negotiations begin to transform the High Line into an elevated public walkway. ?EUR??,,????'??The City seeks a certificate of Interim Trail Use for the High Line viaduct,?EUR??,,????'?? stated the City?EUR??,,????'???s December 17 filing to the STB. A Certificate of Interim Trail Use, or CITU, would start a process called ?EUR??,,????'??rail-banking,?EUR??,,????'?? which allows out-of-use rail corridors to be reused as recreational trails. For more information, go to www.thehighline.org. The High Line was built in the 1930s to remove dangerous freight trains from city streets. The effort to turn the structure into an elevated walkway has been ongoing since 1999.