Is it in your name? if not, copy it to your account. It will ask if
you want to view (or edit) your copy. Say yes, pick edit if the extra step
is needed. You’ll see the route with little circles (the control
points. Over on the right, down below Follow Roads is Add/Remove Control
Points. If the creator overclicked, you may need to remove some of the
control points. Eventually you should be able to click on a the route and
drag the black road between 2 control points to another road. Eventually,
after all edits, you save over your route or save to a new route.
If you need more, tomorrow, I can sign on and be a little more accurate
with the instruction.....C