We are currently performing a load rating analysis for a project that involves the use of a custom truck along with a custom lane load. While we have successfully added the custom trucks to the library,
it appears that the Design Load Rating module does not allow combining a custom truck with a lane load.
One of the available workaround for this limitation is to create a separate model and run the custom truck as a legal truck by adjusting the load factors accordingly.
However, since we also need to evaluate multiple legal trucks, this method would make the load rating process inefficient and cumbersome.