Produce Dvectors containing trip end by direction data.
Note the outputs are total time period e.g AM is 3hr 7AM-10AM.
- Parameters:
conn (Connection) – Connection to the database containing the NTEM data.
- Returns:
Trip end by direction data formatted as dict[year, dict[trip_type, data]].
- Return type:
dict[int, dict[str, base.DVector]]