On 20/10/06, SPUI <drspui(a)gmail.com> wrote:
Am I right or is the IP right? Do commercially-produced maps that show
an unsigned designation continuing along a causeway trump Department of
Without looking at the URL, because I know I would get confused by an
interminable and confusing debate, and answering on general
a) If the DoT issues or maintains these designations, which one would
assume it does, then their sources are to be preferred when there's a
discrepancy - the higher on the chain the source is, the less likely
it is for transmission errors or copyright traps* to sneak in.
b) if there is reason to believe the authoritative source may be
incorrect, for example if the map dates from 1970 or if it happens to
miss out a city for no apparent reason, cite both and briefly discuss.
"The Department of Transportation gave the end of the designated area
as X in a 1975 publication , though more recent sources have
suggested it may extend as far as Y . A more recent DoT source is
not currently available to clarify this."
- Andrew Gray