Post your user stories for Oversized/Overweight vehicle routing and Crew Routing. List any current issues with not having this functionality
See https://community.esri.com/t5/roads-and-highways-user-group/rh-user-group-march-2021-pdf/m-p/1040723 for definitions.
for OSOW one business case for certain would be having the routes as the common operating platform for referencing of construction projects and bridge locations.