Mapping beside a road corridor - Tips / Tricks

Hi team, looking for any tips for the best way to map while following a road. I have to mat along about a 4.5km length of road. the road is slightly windy so the drone wants to fly straight lines and just map where it overlaps with my polygon. is there a better way to do this that is more efficient?

flying a DJI Mav mini 4 pro - vis Litchi Pilot

https://preview.redd.it/4d9ogss8hxog1.png?width=1608&format=png&auto=webp&s=ad4ef1c7a1de474eaab33e20e333676fdc78cd9c

https://preview.redd.it/ouoa8ts8hxog1.png?width=1608&format=png&auto=webp&s=7c35c98c5f29936424ae9ef5cead966b553e9509