Question

how to create a center line from polygon in arcgis

Answer 1

Step-by-step explanation:

The tool is located in the Cartography toolbox, in the Generalization toolset. The centerlines are displayed in the map.

...

Remove the lines enclosing the polyline layer.

Start an edit session.

Select a line.

Use the Split tool, if necessary, and split the line so the particular line is detached from other lines.