I have an interesting problem to solve.


  • polyline layer of railroads (multiline with 11373 separate lines, also running parallel, separating and merging in many locations)
  • point layer with start and end points of separate train routes (553 routes, meaning 1106 points altogether)

The task:

  • To map the lengths of the routes along the railroad, using the first and last points given.

I'm guessing I need to find a way to join the points to the polyline (or polyline to points?). Spatial join does that, but how do I proceed to find out the route lengths?

The point locations are supposed to be located along the railroad, but they are slightly off.

I'm running ArcMap Advanced and have basically no scripting experience.

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