Remove incorrectly added end date for road segment
Extend boulevard and connect to other roads
Resolve start/end dates of overlapping roads
Resolve start/end dates of overlapping roads
Add freeway segment from 1975 map
Extend freeway based on 1975 map
Add freeway segment from 1975 map
Extend freeway based on 1969 map
Add freeway segment from 1969 map
Add freeway interchange from 1980 map
Add freeway segment from 1969 map
Update name, source, start date details for freeway segments