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Connect segments with different elevation values

Question asked by sotriant on Mar 16, 2018
Latest reply on Mar 16, 2018 by cdspatial

I am using ArcGIS 10.4.1 and Network Analyst. I am facing an issue when trying to connect segments with different elevation values. In the image below we can see a segment of a tunnel and its attribute table. It has a a value of -1 for LayerElev field(field marked yellow).

But the next segment is not a tunnel so it has a a value of 0 for LayerElev field(field marked yellow).

What is the proper way to connect those to segments? Do i have to create 2 fields in the attribute table (from endpoint and to endpoint) instead of the one i 've got now? 

I have to use elevation because the area has complicated junctions with overpasses, underpasses and tunnels.