Grade (slope): Revision history

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11 January 2015

23 February 2014

26 January 2014

  • curprev 16:2316:23, 26 January 2014 en>SJ Morg 11,304 bytes +11,304 Roads: add photo of trolleybus on steep grade; trolleybuses are known for their ability to climb steeper grades than almost any other type of motorized self-propelled vehicle

1 September 2012