How can we create M values on ou polyline

[SamisoniUlitu]

I am trying to generate routes I need help to generate routes but I dont have the M values.
Can please show me how to do this

[RichardFairhurst]

I am trying to generate routes I need help to generate routes but I dont have the M values.
Can please show me how to do this

Use the Create Routes tool.  It can generate the measures for you from a set of lines that have no measures.