Update name, source, start date details for freeway segments
Add freeway segment from 1975 map
Add freeway segment from 1975 map
Extend freeway based on 1969 map
Add freeway segment from 1969 map
Connect freeway interchange properly
Connect freeway segments based on 1969 map
Add Pacific City amusement park
Add freeway interchange from 1956 map
Add freeway interchange from 1956 map
Add end of freeway from 1950 map
Add freeway interchange from 1950 map
Add freeway interchange from 1950 map
Add freeway intersection from 1949 map
Add freeway intersection from 1949 map