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My solution to this was kind of a kludge, but then I was doing a small class project working with a subset of one county's roads so the network wasn't that big and I didn't need to do it as a common task. I just ran a service area analysis with the time set large enough that in theory everything should be reachable. That highlighted everything that was ...


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You might need to use the linear referencing functions to get what you want. For each point, use ST_LineLocatePoint to find out what proportion along the line the point is, then for each pairing of points, use ST_LocateBetween to extract the portion of the line between the points. So rather than splitting, you're using linear referencing to extract. ...


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If I understand your goal and what you mean by "attach" properly, I think you could use GRASS v.distance tool to find the nearest road feature for each point and create line links connecting them. The tool also allows you to upload attributes from the point layer to the line layer. Ostensibly one can do that with more than one attribute field. However I have ...



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