Alignment creation utilizing mileposts

Looking for ideas. Located about 18 miles of pavement edge using
Rtk... Would like to create an alignment referncing in 10ths of a mile (utilize mile post markers)
But instead I have an alignment created in feet...
Thanks
Rtk... Would like to create an alignment referncing in 10ths of a mile (utilize mile post markers)
But instead I have an alignment created in feet...
Thanks