Basically, I find list online, I improve it with a python script to get the locations correct in ltn lgt but its not enough as they turn on their own and not especially on the shortest way on the map. Here is an example of what i could get easily automatically from a list to a map

https://www.google.com/maps/d/u/0/edit?mid=1qaxZC1yMwC9ZIOImv2wAPlcDIv625ck&ll=14.699465589643241%2C121.05321534781078&z=13