Retrieve different Stages of a Freight Order via OData

A freight order can have a couple of freight units assigned, ready to be picked up at different locations and to be delivered to another - resulting in different stages for the freight order:

I'd like to retrieve that stages via EM OData service with additional information like sequence (stage number) and source/destination addresses.

Is that possible with the standard implementation? My approach would be to use the /FreightOrderEventHandlerDetails path and look for the ExpectedEventSequeceNumber and EventLocation. I would then retrieve the corresponding freight units via /FreightOrderAssignedFreightUnits and the FreightUnitLoadingLocation.

Might there be a more elegant way?

Regards,

Jan