Actual provisioners/settlers walking routes (detailed maps, explanation in comments) : r/fo4
Fallout 4: Settlement and Trading Map - Guide and Tips | GamesCrack.org
How Trade Works in Hearts of Iron IV - EIP Gaming
Fallout 4 Walkthrough: How to build a Settlement
Improved provision route map, took all the suggestions. Only 30 provisioners needed, Bunker Hill 25% less crowded, every settlement has 2 connections back to Bunker Hill so a single lost provisioner can't
Steam Community :: Screenshot :: My trade routes in the NW quadrant.
How To Set Up Supply Lines In Fallout 4
Trade Routes at Skyrim Nexus - Mods and Community
Fallout 4 - Trade Routes & New Settlements - YouTube
4 Ways to Do Supply Lines - Fallout 4 Settlements - YouTube