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Gilbert Chlewicki, PE

Transportation Engineer and Planner
Advanced Transportation Solutions
301.395.9971

gchlewicki@divergingdiamond.com

EDUCATION
CERTIFICATIONS
EXPERIENCE
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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: 39.188228607 ,-76.715049744 Links: No
1 people have recorded their role in this project.
Credits


5th DDI in the US, first DDI east of the Mississippi
Details    Edit
Updated: May 18, 2011
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Abstract: Interesting use of the DDI design in a more rural environment.
Region: USA - Southeast Videos: No
Road: W Bessemer StBessemer Street/Middlesettlements Road Pics: No
City: Maryville ,TN ,US Docs: No
Lat/Lon: 35.764717102 ,-83.986946106 Links: Yes
3 people have recorded their role in this project.
Credits


Fourth DDI in US, Third DDI in Missouri
Details    Edit
Updated: May 18, 2011
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Abstract: Opened Summer 2010. Followed the success of the Springfield, Missouri DDIs. This location was planned for a DDI, before Springfield considered the DDI concept.
Region: USA - South-Central Videos: No
Road: Dorsett RdDorsett Road Pics: No
City: Maryland Heights ,MO ,US Docs: No
Lat/Lon: 38.714714050 ,-90.447456360 Links: No
1 people have recorded their role in this project.
Credits


2nd Diverging Diamond Interchange in US
Details    Edit
Updated: May 18, 2011
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Abstract: Opened in summer 2010. Second DDI opened to traffic in Springfield, which was also the second DDI to open in the US. Interchange got the go ahead to become a DDI after the success of the I-44/Route 13 DDI farther north in the city.
Region: USA - South-Central Videos: No
Road: U.S. 60S. National Avenue Pics: No
City: Springfield ,MO ,US Docs: No
Lat/Lon: 37.141815186 ,-93.277969360 Links: No
2 people have recorded their role in this project.
Credits

Daniel Dryland   
Role: Added or clarified information.

Diverging Diamond in KC
Details    Edit
Updated: Nov 30, -0001
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Abstract: 1st Planned Diverging Diamond in Missouri, but construction was delayed. Still will be the first DDI in the Kansas City area, but will be at least the fourth DDI in the state.
Region: USA - South-Central Videos: No
Road: Front StreetE Front St Pics: No
City: KCMO ,MO ,US Docs: No
Lat/Lon: 39.129409790 ,-94.498855591 Links: No
2 people have recorded their role in this project.
Credits

Markus Epple   
Role: Added or clarified information.

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