This help page uses route as the example.
You mention pickup and dropoff, is there more than two locations. A variable number of locations.9.Determine the relationships between the tables. In your plan, draw a line from each match field in a table to the corresponding match field in the related table.What establishes a relationship between tables is that their match fields contain matching data.
Relationships also make it possible to group your data to resolve complex questions. For example, relationships can be used to determine current inventory levels, sales projections, and other tasks where it is necessary to view data across multiple tables. For more information about relationships, see Working with related tables and files.