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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.
Region: USA - Southeast Videos: No
Road: N US 1MD-200 Pics: No
City: Laurel ,MD ,US Docs: No
Lat/Lon: 39.065679470 ,-76.8810612 Links: No
1 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: Added or clarified information.

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: 39.456097849 ,-77.3994015 Links: No
1 people have recorded their role in this project.
Credits

michelle Zhang   
Role: Added or clarified information.

Waugh Chapel Superstreet
Details    Edit
Updated: Sep 19, 2014
 Arterial Intersections  ThrU-Turn/U-Turn Intersections  TTI - Superstreets, Signalized  Existing
Region: USA - Southeast Videos: No
Road: Crain HwyWaugh Chapel Rd Pics: No
City: Gambrills ,MD ,US Docs: No
Lat/Lon: 39.039122515 ,-76.6753238 Links: No
0 people have recorded their role in this project.
Credits


Diverging Diamond T in MD
Details    Edit
Updated: Jun 11, 2014
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Abstract: Dumbbell design failed due to lack of through cross street traffic to force other vehicles to yield at roundabouts. Replaced by Diverging Diamond T-Interchange with single crossover.
Region: USA - Southeast Videos: No
Road: Baltimore-Washington PkwyArundel Mills Blvd Pics: No
City: Jessup ,MD ,US Docs: No
Lat/Lon: 39.156255000 ,-76.7454250 Links: No
1 people have recorded their role in this project.
Credits

Markus Epple   
Role: Added or clarified information.

2nd CFI in USA, Accokeek, Maryland
Details    Edit
Updated: Jul 23, 2011
 Arterial Intersections  Continuous Flow Intersections  CFI - 1,3,4-legs  Existing
Abstract: 2nd true Continuous Flow Intersection in the USA. Left turns from Route 228 have crossover. The crossed over lefts then enter a merge lane because southbound traffic on Indian Head Hwy is free-flowing.
Region: USA - Southeast Videos: No
Road: MD-228Indian Head Hwy Pics: No
City: Accokeek ,MD ,US Docs: No
Lat/Lon: 38.664658073 ,-77.0175214 Links: No
1 people have recorded their role in this project.
Credits

An Ho, PE, TPT   Design Engineer
Role: Added or clarified information.

Likely First DDI Considered in the US
Details    Edit
Updated: May 18, 2011
 Freeway Interchanges  Diverging Diamond Interchanges  Conceptual Planning
Abstract: New interchanges were considered at this location in 2005, with the widening of both Hanover Road and MD 295. The DDI was not selected as the chosen alternative because state officials did not want the first DDI in Maryland to go in a location where there would be a lot of unfamiliar drivers. This new interchange is planned to be the entrance to the rental car facility for BWI Airport.
Region: USA - Southeast Videos: No
Road: Maryland 295Hanover Road Pics: No
City: Hanover ,MD ,US Docs: No
Lat/Lon: 39.188228501 ,-76.7150515 Links: No
1 people have recorded their role in this project.
Credits


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