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1st DDI in New Mexico
Details    Edit
Updated: Oct 02, 2019
 Freeway Interchanges  Continuous Flow Interchanges  Existing
Region: USA - Mountain West Videos: No
Road: NM-14 Pics: No
City: Santa Fe ,NM ,US Docs: No
Lat/Lon: 35.605579376 ,-106.034744263 Links: No
1 people have recorded their role in this project.
Credits

An Ho, PM   Dev.
Role: No Role

UT-103 CFI
Details    Edit
Updated: Sep 30, 2019
 Freeway Interchanges  Continuous Flow Interchanges  Existing
Region: USA - Mountain West Videos: No
Road: UT-103 Pics: No
City: Clearfield ,UT ,US Docs: No
Lat/Lon: 41.123626709 ,-112.023468018 Links: No
1 people have recorded their role in this project.
Credits

An Ho Tran   
Role: No Role

Salt Lake CFI
Details    Edit
Updated: Sep 28, 2019
 Freeway Interchanges  Continuous Flow Interchanges  Existing
Region: USA - Mountain West Videos: No
Road: W Parrish Ln Pics: No
City: Centerville ,UT ,US Docs: No
Lat/Lon: 40.921585083 ,-111.890968323 Links: No
1 people have recorded their role in this project.
Credits

An Ho, PM   Dev.
Role: No Role

1st DDI in Delaware
Details    Edit
Updated: Jan 30, 2017
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Region: USA - Southeast Videos: No
Road: DE-1Wrangle Hill Rd Pics: No
City: Bear ,DE ,US Docs: No
Lat/Lon: 39.580162048 ,-75.661819458 Links: No
1 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: No Role

1st DDI in New Mexico
Details    Edit
Updated: Nov 11, 2016
 Freeway Interchanges  Continuous Flow Interchanges  Existing
Region: USA - Mountain West Videos: No
Road: NM-14 Pics: No
City: Santa Fe ,NM ,US Docs: No
Lat/Lon: 35.605579376 ,-106.034744263 Links: No
3 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: No Role
An Ho   
Role: No Role
An Ho, PM   Dev.
Role: No Role

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

Gate City Blvd DDI
Details    Edit
Updated: Aug 19, 2016
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Region: USA - Southeast Videos: No
Road: I-73W Gate City Blvd Pics: No
City: Greensboro ,NC ,US Docs: No
Lat/Lon: 36.026763916 ,-79.88318634 Links: No
1 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: No Role

Village Rd DDI
Details    Edit
Updated: Aug 19, 2016
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Region: USA - Southeast Videos: No
Road: US-17NC-133 Pics: No
City: Leland ,NC ,US Docs: No
Lat/Lon: 34.232299805 ,-77.994064331 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

Inter-County Connector CFI
Details    Edit
Updated: Nov 02, 2015
 Arterial Intersections  Continuous Flow Intersections  CFI - 1,3,4-legs  Existing
Abstract: This is a brand-new intersection originally built as a CFI. It's the second CFI in Maryland, and is of a similiar design to the first, with both being T-intersections with a single crossover on the terminating leg. Opened November 2014.
Region: USA - Southeast Videos: No
Road: Baltimore AveMD-200 Pics: No
City: Laurel ,MD ,US Docs: No
Lat/Lon: 39.065677643 ,-76.881057739 Links: No
1 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: No Role

2nd CFI in Georgia
Details    Edit
Updated: Oct 29, 2015
 Arterial Intersections  Continuous Flow Intersections  CFI - 2-legs  Planned
Abstract: Crossovers on east and west legs. Expected to be second CFI in Georgia.
Region: USA - Southeast Videos: No
Road: US-78GA-124 Pics: No
City: Snellville ,GA ,US Docs: No
Lat/Lon: 33.857582092 ,-84.019935608 Links: No
1 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: No Role

1st CFI in Georgia
Details    Edit
Updated: Oct 29, 2015
 Arterial Intersections  Continuous Flow Intersections  CFI - 2-legs  Existing
Abstract: Crossovers on SW and NE legs. Will be first CFI in Georgia.
Region: USA - Southeast Videos: No
Road: GA-400GA-53 Pics: No
City: Dawsonville ,GA ,US Docs: No
Lat/Lon: 34.363471985 ,-84.03629303 Links: No
1 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: No Role

Layton ThrU-Turns
Details    Edit
Updated: Oct 02, 2015
 Arterial Intersections  ThrU-Turn/U-Turn Intersections  TTI - Median U-Turn (Michigan U)  Existing
Abstract: Loons on NW, SE, and SW legs of intersection. One additional loon NE on Hill Field Rd. not directly tied with this intersection.
Region: USA - Mountain West Videos: Yes
Road: UT-126Hill Field Rd Pics: No
City: Layton ,UT ,US Docs: No
Lat/Lon: 41.072757721 ,-111.978881836 Links: No
0 people have recorded their role in this project.
Credits


I-40 & TN-66 DDI
Details    Edit
Updated: Sep 17, 2015
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Region: USA - Southeast Videos: No
Road: I-40TN-66 Pics: No
City: Kodak ,TN ,US Docs: No
Lat/Lon: 35.983253479 ,-83.608123779 Links: No
0 people have recorded their role in this project.
Credits


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


East Newton Split Thru-About
Details    Edit
Updated: Aug 14, 2015
 Freeway Interchanges  Roundabout Interchanges  Thru-about Interchanges  Existing
Abstract: Just like a split diamond, 2 cross-streets are served by a single set of freeway ramps. In this case, each cross-street has a single large roundabout.
Region: USA - South-Central Videos: No
Road: US-81Broadway/1st Pics: No
City: Newton ,KS ,US Docs: No
Lat/Lon: 38.046104431 ,-97.322441101 Links: No
2 people have recorded their role in this project.
Credits

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

Riverton Quadrant
Details    Edit
Updated: Aug 14, 2015
 Arterial Intersections  Quadrants  Jughandle  Existing
Abstract: SW Quadrant roadway to handle all left turns. Intersection being rebuilt as part of project to replace major bridge just to the south.
Region: USA - Southeast Videos: No
Road: N Shenandoah AveStrasburg Rd Pics: No
City: Front Royal ,VA ,US Docs: No
Lat/Lon: 38.946533203 ,-78.199607849 Links: No
2 people have recorded their role in this project.
Credits

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

South Newton Thru-About
Details    Edit
Updated: Aug 14, 2015
 Freeway Interchanges  Roundabout Interchanges  Thru-about Interchanges  Existing
Region: USA - South-Central Videos: No
Road: US-50Anderson Rd Pics: No
City: Newton ,KS ,US Docs: No
Lat/Lon: 38.026412964 ,-97.354988098 Links: No
2 people have recorded their role in this project.
Credits

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

500 South DDI
Details    Edit
Updated: Aug 14, 2015
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Region: USA - Mountain West Videos: No
Road: I-15500 South Pics: No
City: West Bountiful ,UT ,US Docs: No
Lat/Lon: 40.884281158 ,-111.896575928 Links: No
0 people have recorded their role in this project.
Credits


2600 South CFI
Details    Edit
Updated: Aug 14, 2015
 Freeway Interchanges  Continuous Flow Interchanges  Existing
Abstract: Modified Continuous Flow Interchange with one crossover co-located with east ramp terminal intersection.
Region: USA - Mountain West Videos: No
Road: I-152600 South Pics: No
City: North Salt Lake ,UT ,US Docs: No
Lat/Lon: 40.861515045 ,-111.901985168 Links: No
1 people have recorded their role in this project.
Credits

Markus Epple   
Role: No Role

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


North Frederick Superstreet
Details    Edit
Updated: Apr 18, 2015
 Arterial Intersections  ThrU-Turn/U-Turn Intersections  TTI - Superstreets, Unsignalized  Existing
Abstract: Good example of semi-rural unsignaled superstreet.
Region: USA - Southeast Videos: Yes
Road: US-15Hayward Rd Pics: No
City: Frederick ,MD ,US Docs: No
Lat/Lon: 39.456096649 ,-77.399398804 Links: No
1 people have recorded their role in this project.
Credits

michelle Zhang   
Role: No Role

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