Talk:Superstreet

message: --SPUI (T - C) 03:33, 23 July 2006 (UTC)
thread_title: Good source for info

message: Take a look at the piece of US 1 in southern Rhode Island - this is basically a Durham-style superstreet without any traffic lights. Hell, part of US 22 in Union County, NJ is like that. --SPUI (T - C) 22:42, 26 July 2006 (UTC)
thread_title: Older "superstreets" without the left turns

message: I think I see how this is supposed to work, but one line in the text is confusing me: "...a lower traffic crossing intersection is closed to all motorized traffic".  This sounds like no cars at all are traveling there. --Thisisbossi 11:21, 21 August 2006 (UTC)
replies: text: I think it means that, essentially, where you originally had a simple intersection, the minor movement is closed off so that traffic in that movement can no longer go straight on without dancing around the loops. DWaterson 10:49, 7 October 2007 (UTC)
thread_title: Article Phrasing

message: I have removed the following as I am not sure there are any such examples.  I've driven this numerous times and would like to think that I would have noticed any examples of a superstreet geometry; but I will admit that I am not necessarily the most perceptive as I am frequently traveling this area late at night.  Feel free to add it back in if you can provide a reference -- preferably geo-coordinates.  Thanks!  --Thisisbossi 03:47, 27 February 2007 (UTC)
replies: text: Just checked it out on Google Earth, the MD 18 (38 59 04 N, 76 09 40 W) and MD 456 (38 59 15 N, 76 09 10 W) intersections in Queenstown both look like what the article describes.-Jeff (talk) 05:41, 4 March 2007 (UTC)
replies: text: As far as Google Earth shows, they are both right-out restrictions on the minor streets; whereas superstreets provide for lefts out, as well.  I can field-check these locations hopefully sometime this week to see if their geometry has changed at all. --Thisisbossi 06:31, 4 March 2007 (UTC)
replies: text: A recent look on Google Earth shows these to be normal superstreets. --Chaswmsday (talk) 22:48, 28 March 2013 (UTC)
thread_title: Removed entry re: US 301 in Maryland

message: ...which is false, or there're a bunch of superstreets that fail at life.  The Eastern Shore of Maryland has many major highways, namely US 50 in Wicomico County, with non-signalled superstreet intersections.  Across various Wikipedia articles, these intersections are referred to as "superstreet", but I have been to so many of them in person to count and I know for a fact they aren't signalled.  Google Maps overhead view can confirm this further.  —Onore Baka Sama(speak | stalk) 01:35, 4 October 2010 (UTC)
thread_title:  "requires four lighted intersections"... 

message: I'd like to see a section comparing the efficiency with traffic light controlled roundabouts and magic roundabouts as used in the UK.  —Preceding unsigned comment added by 82.26.27.248 (talk) 00:42, 17 January 2011 (UTC)
thread_title:  Comparison with roundabouts? 

message: There seem to be a number of superstreets missing from the Usage section of the article, making it appear that the only superstreets in existence are the handful that are currently mentioned.
Other North Carolina examples are listed in the 2010 M.S. thesis by Rebecca Lynne Haley, "Operational Effects of Signalized Superstreets in North Carolina", under the direction of Dr. Joseph E. Hummer at North Carolina State University.
There are three superstreet intersections in Butler County, Ohio, near Fairfield on State Route 4 Bypass, per the City of Fairfield and ODOT.
Per the cited FHWA "Restricted Crossing U-Turn Intersection (FHWA-HRT-09-059)", they also exist in Maryland and Michigan.
Per Texas Highway Man and a subdivision website, Encino Rio at US 281 in San Antonio (referenced in the article) is a variant, which possibly should be mentioned; it has retained left turn lanes from the minor road to the major road, yet is still considered a superstreet intersection.
"Alternative Intersections/Interchanges: Information Report (AIIR) (FHWA-HRT-09-060)", figure 84, also shows a variant without left turns from the major road. I would classify this more as a right-in/right-out road with turnarounds, but a lot of these intersection/road treatments are very similar. --Chaswmsday (talk) 23:23, 28 March 2013 (UTC)
thread_title:  Missing in Usage section