Uri> intersects rte in 2 places.
Park Dr & Boylston St, Boston MA is also a dual-intersector.
but Google Maps only finds one such
Ditto Geocoder
Ditto Yahoo
Ditto Mapquest
Riverway At Brookline Ave, Boston MA misses by barely 100', due to
merger with Park Drive.
There are a few U-shaped streets in Brookline that have turned me around
repeatedly, and many in the suburbs, where it's a common subdivision
feeder style.
Uri > 16 east, rte 2 west and i think rte 3 north.
Devers> Sounds like the stretch of road -- now sadly renumbered, I think
-- that
Devers> was simultaneously Route 128 South and Interstate 93 North,
hence
Yes, Rt 93 North is/was also Rt 128 S (Norwood/Dedham to
Quincy/Braintree). The Feds seem to have requested that the confusing Rt
128 designation be removed from the federal portions of the highway, so
it may be hard to find Rt 128 nomenclature except on the
Peabody-to-Gloucester stretch. Maybe we should dig a tunnel from
Gloucester to Quincy or P-town to close the loop ...
For the $route =~m{I-?([2468]\d\d)} ring-roads (which 128 would have
been designated had I95 gone through Boston as originally planned), it
would be more sensible to speak of Clockwise and Counter Clockwise than
N/S or E/W anyway.
See USENET news:ne.transportation group (
http://groups-beta.google.com/group/ne.transportation ) for more
road-geek stuff like this, signs and conventions and history.
Ben> For instance in Denver, Colorado you can stand at the
Ben> intersection of Colorado St and Colorado Ave.
How do the websites find that?
Many dead-end cul-de-sacs branching off of a larger road are eponymously
named, as in the intersection of
/(.*) (Rd|St|Ave|Blvd)/
and
/$1 (?!$2)(Close|Ct|Way|Circle|Place|Rd|St|Ave)/
But the non-trivial case can be found in Boston, of course.
Dorchester St & Dorchester Ave, Boston MA
(In the South Boston neighborhood)
How do the mappers handle this?
1 - GeoCoder.US took me quite a while to dig this one out
http://geocoder.us/demo.cgi?address=Dorchester+St+%26+Dorchester+Ave%2C+
Boston+MA
which gives 3 lat/lons within a few feet of each other (it's a large
pentagonal intersection, so that makes sense). Now I'm not sure why it
didn't work the first time ... perhaps I mis-spelt one of them.
Geo::Coder::US API and the Tiger/Line DB would probably have been much
slicker for this one, as I suspect it's all in the CGI one-line-form
parsing that was getting me.
2- Mapquest ok
3- Yahoo ok
4- Google gives a choice of multiple
Dorchester Ave & Dorchester Ave
in either Dorchester or So Boston, but *none* for St & Ave, none at the
right point. Not good.
Prompting Google with "So Boston, MA, 02127" it offers as one of 10
Dorchester St & Andrew Sq , which is the right place, but not obviously
right from the description; and a Boston St & Boston St which is wrong,
but still no Dorchester Ave & Dorchester St.
The exact string
Dorchester Ave & Dorchester St, South Boston, MA 02127
(or vice versa) finds the right intersection, but _any_ deviation does
not.
Bill
Not speaking for the firm
still using 2nd account ...
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