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1st DDI in Wisconsin
Details    Edit
Updated: Aug 22, 2016
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Region: USA - North-Central Videos: No
Road: I-90Avalon Rd Pics: No
City: Janesville ,WI ,US Docs: No
Lat/Lon: 42.634975433 ,-88.982696533 Links: No
1 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: No Role

1st DDI in Nebraska
Details    Edit
Updated: Aug 19, 2016
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Region: USA - North-Central Videos: No
Road: Interstate 80NW 48th St Pics: No
City: Lincoln ,NE ,US Docs: No
Lat/Lon: 40.817447662 ,-96.787628174 Links: No
1 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: No Role

Cascade Rd DDI
Details    Edit
Updated: Nov 12, 2015
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Abstract: Second DDI in Michigan.
Region: USA - North-Central Videos: No
Road: I-96Cascade Rd Pics: No
City: Grand Rapids ,MI ,US Docs: No
Lat/Lon: 42.946430206 ,-85.566902161 Links: No
1 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: No Role

Oakland County DDI
Details    Edit
Updated: Nov 06, 2015
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Abstract: First Diverging Diamond in Michigan replaces a parclo.
Region: USA - North-Central Videos: No
Road: I-75University Dr. Pics: No
City: Auburn Hills ,MI ,US Docs: No
Lat/Lon: 42.665542603 ,-83.241172791 Links: No
1 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: No Role

Marion DDI
Details    Edit
Updated: Sep 17, 2015
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Abstract: Formerly this interchange had ramps only to and from points north on I-57 due to nearby interchange at IL-13. New ramps braided with the ramps of that SPUI.
Region: USA - North-Central Videos: No
Road: I-57Morgan Ave. Pics: No
City: Marion ,IL ,US Docs: No
Lat/Lon: 37.744808197 ,-88.956420898 Links: No
0 people have recorded their role in this project.
Credits


Grand Prairie DDI
Details    Edit
Updated: Jul 16, 2015
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Abstract: Brand new interchange originally constructed as DDI. Will be first DDI in Iowa.
Region: USA - North-Central Videos: No
Road: Interstate 80Grand Prairie Pkwy Pics: No
City: Waukee ,IA ,US Docs: No
Lat/Lon: 41.569133759 ,-93.853561401 Links: No
3 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: No Role
An Ho   
Role: No Role

ParaFlowish T-Intersection
Details    Edit
Updated: Apr 20, 2015
 Arterial Intersections  Continuous Flow Intersections  Parallel Flow Intersections  Existing
Abstract: Greg Parsons, holder of the PFI patent, designed this intersection and considers it a ParaFlow. Who am I to argue?
Region: USA - North-Central Videos: No
Road: OH-315Hard Rd Pics: No
City: Columbus ,OH ,US Docs: No
Lat/Lon: 40.116672516 ,-83.034591675 Links: No
0 people have recorded their role in this project.
Credits


Windmill
Details    Edit
Updated: Apr 18, 2015
 Freeway Interchanges  Other Grade Separated Interchanges  Existing
Abstract: Intersection has 4 off-ramps and no on-ramps. Left turns are stop-controlled and right turns are merge-controlled.
Region: USA - North-Central Videos: No
Road: OH-32OH-32 Pics: No
City: Jackson ,OH ,US Docs: No
Lat/Lon: 39.045383453 ,-82.613014221 Links: No
1 people have recorded their role in this project.
Credits

An Ho   
Role: No Role

Rogers DDI
Details    Edit
Updated: Mar 25, 2015
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Region: USA - North-Central Videos: No
Road: MN-101141st Ave Pics: No
City: Rogers ,MN ,US Docs: No
Lat/Lon: 45.210208893 ,-93.55254364 Links: No
0 people have recorded their role in this project.
Credits


Hamilton Mason Superstreet
Details    Edit
Updated: Mar 25, 2015
 Arterial Intersections  ThrU-Turn/U-Turn Intersections  TTI - Superstreets, Signalized  Existing
Abstract: One of three superstreets in corridor. Others to south at Tylersville Rd and at Symmes Rd.
Region: USA - North-Central Videos: No
Road: Hamilton Mason RdOH-4 Bypass Pics: No
City: Hamilton ,OH ,US Docs: No
Lat/Lon: 39.378730774 ,-84.506881714 Links: No
0 people have recorded their role in this project.
Credits


Symmes Rd Superstreet
Details    Edit
Updated: Mar 25, 2015
 Arterial Intersections  ThrU-Turn/U-Turn Intersections  TTI - Superstreets, Signalized  Existing
Abstract: One of three superstreets in corridor. Others to north at Tylersville Rd and at Hamilton-Mason Rd.
Region: USA - North-Central Videos: No
Road: OH-4 BypassSymmes Rd Pics: No
City: Fairfield ,OH ,US Docs: No
Lat/Lon: 39.34380722 ,-84.502075195 Links: No
0 people have recorded their role in this project.
Credits


1st Mini-Roundabout in US
Details    Edit
Updated: Mar 25, 2015
 Arterial Intersections  Roundabouts  Rnd - Mini  Existing
Region: USA - North-Central Videos: No
Road: Creyts Rd Pics: No
City: Windsor Charter Township ,MI ,US Docs: No
Lat/Lon: 42.647438049 ,-84.642738342 Links: No
0 people have recorded their role in this project.
Credits


Beechmont/5 Mile CFI
Details    Edit
Updated: Mar 23, 2015
 Arterial Intersections  Continuous Flow Intersections  CFI - 2-legs  Existing
Abstract: CFI crossovers on north and south legs of Five Mile Rd. Through lanes of Five Mile Rd will curve at the crossovers to minimize needed ROW.
Region: USA - North-Central Videos: No
Road: OH-125Five Mile Rd Pics: No
City: Cincinnati ,OH ,US Docs: No
Lat/Lon: 39.072856903 ,-84.351997375 Links: No
1 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: No Role

Allisonville & 96th ThrU-Turn
Details    Edit
Updated: Sep 09, 2014
 Arterial Intersections  ThrU-Turn/U-Turn Intersections  TTI - Median U-Turn (Michigan U)  Existing
Abstract: Loons on all 4 legs. Signage directs motorists to use a right-U-thru manuever to turn left.
Region: USA - North-Central Videos: No
Road: Allisonville Rd96th St Pics: No
City: Indianapolis ,IN ,US Docs: No
Lat/Lon: 39.927001953 ,-86.066055298 Links: No
0 people have recorded their role in this project.
Credits


St. Cloud DDI
Details    Edit
Updated: Sep 01, 2014
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Abstract: Newly built interchange replaces at-grade intersection.
Region: USA - North-Central Videos: No
Road: Co Rd 120 Pics: No
City: St Cloud ,MN ,US Docs: No
Lat/Lon: 45.586387634 ,-94.199432373 Links: No
1 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: No Role

Dupont Road DDI
Details    Edit
Updated: Aug 27, 2014
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Abstract: First DDI in Indiana. Construction began April 2014.
Region: USA - North-Central Videos: No
Road: I-69I-69 Pics: No
City: Fort Wayne ,IN ,US Docs: No
Lat/Lon: 41.17880249 ,-85.103309631 Links: No
0 people have recorded their role in this project.
Credits


Elegant 2-leg CFI
Details    Edit
Updated: Aug 20, 2014
 Arterial Intersections  Continuous Flow Intersections  CFI - 2-legs  Existing
Region: USA - North-Central Videos: No
Road: Austin BlvdSpringboro Pike Pics: No
City: Miamisburg ,OH ,US Docs: No
Lat/Lon: 39.596740723 ,-84.229042053 Links: No
1 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: No Role

OH-4 Bypass Quadrant
Details    Edit
Updated: Aug 12, 2014
 Arterial Intersections  Quadrants  Jughandle  Existing
Abstract: All left turns are diverted away from main intersection. Road to the north of intersection is a superstreet corridor.
Region: USA - North-Central Videos: No
Road: OH-4 Pics: No
City: Fairfield ,OH ,US Docs: No
Lat/Lon: 39.323143005 ,-84.504798889 Links: No
1 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: No Role

Tylersville Superstreet
Details    Edit
Updated: Aug 11, 2014
 Arterial Intersections  ThrU-Turn/U-Turn Intersections  TTI - Superstreets, Signalized  Existing
Abstract: This is one of 3 superstreet intersections in the corridor. Others exist to the north at Hamilton-Mason Road and to the south at Symmes Road.
Region: USA - North-Central Videos: No
Road: OH-4 BypassTylersville Rd Pics: No
City: Fairfield ,OH ,US Docs: No
Lat/Lon: 39.362823486 ,-84.504203796 Links: No
0 people have recorded their role in this project.
Credits


Nicollet Mall
Details    Edit
Updated: Jul 08, 2014
 Multi-Modal Places  Great Pedestrian Places  TCIs - Triplets  Existing
Abstract: nicollet mall
Region: USA - North-Central Videos: Yes
Road: Nicollet Mall Pics: No
City: Minneapolis ,MN ,US Docs: No
Lat/Lon: 44.97354126 ,-93.27507019 Links: No
1 people have recorded their role in this project.
Credits

An Ho   
Role: No Role

Worthsville Road DDI
Details    Edit
Updated: Jun 11, 2014
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Abstract: New interchange where only an overpass previously existed.
Region: USA - North-Central Videos: No
Road: I-65Worthsville Rd Pics: No
City: ,IN ,US Docs: No
Lat/Lon: 39.587818146 ,-86.063529968 Links: No
2 people have recorded their role in this project.
Credits

Markus Epple   
Role: No Role
Jonathan Dough   
Role: No Role

Diverging Diamond in Naperville, IL
Details    Edit
Updated: Jun 11, 2014
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Abstract: First DDI in Chicago metro area. Opened September 21, 2015.
Region: USA - North-Central Videos: No
Road: IL-59Illinois Rte 59 Pics: No
City: Naperville ,IL ,US Docs: No
Lat/Lon: 41.803703308 ,-88.203811646 Links: No
1 people have recorded their role in this project.
Credits

Markus Epple   
Role: No Role

Weber Rd. DDI
Details    Edit
Updated: Jun 10, 2014
 Freeway Interchanges  Diverging Diamond Interchanges  Planned
Region: USA - North-Central Videos: No
Road: I-55Weber Rd. Pics: No
City: Romeoville ,IL ,US Docs: No
Lat/Lon: 41.655464172 ,-88.124893188 Links: No
2 people have recorded their role in this project.
Credits

Markus Epple   
Role: No Role
An Ho   
Role: No Role

Diverging Diamond in Columbus, OH
Details    Edit
Updated: Jun 10, 2014
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Region: USA - North-Central Videos: No
Road: I-270Roberts Rd Pics: No
City: Columbus ,OH ,US Docs: No
Lat/Lon: 40.002479553 ,-83.118240356 Links: No
1 people have recorded their role in this project.
Credits

Markus Epple   
Role: No Role

Diverging Diamond in Bloomington, Minnesota
Details    Edit
Updated: Jun 10, 2014
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Region: USA - North-Central Videos: No
Road: 34th Ave SI-494 Pics: No
City: Minneapolis ,MN ,US Docs: No
Lat/Lon: 44.862174988 ,-93.22303009 Links: No
1 people have recorded their role in this project.
Credits

Markus Epple   
Role: No Role

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