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Jonathan Dough


jdough

EDUCATION
CERTIFICATIONS
EXPERIENCE
SPECIALTIES
South Colony Blvd DDI
Details    Edit
Updated: Jun 11, 2014
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Region: USA - South-Central Videos: No
Road: SRTSouth Colony Blvd. Pics: No
City: The Colony ,TX ,US Docs: No
Lat/Lon: 33.076544621 ,-96.8655022 Links: No
1 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: Added or clarified information.

RM 1431 Diverging Diamond
Details    Edit
Updated: Jun 11, 2014
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Region: USA - South-Central Videos: No
Road: University BlvdUniversity Blvd Pics: No
City: Round Rock ,TX ,US Docs: No
Lat/Lon: 30.558138671 ,-97.6924251 Links: No
2 people have recorded their role in this project.
Credits

Markus Epple   
Role: Added or clarified information.
Jonathan Dough   
Role: Added or clarified information.

Elmhurst Rd DDI
Details    Edit
Updated: Mar 11, 2014
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Abstract: Since 1958, this has been a partial interchange, with tollway access only to and from points east. Project will add new ramps to provide full access and convert to DDI. Construction cost reflects bridge work necessitated by planned widening of tollway below.
Region: USA - North-Central Videos: No
Road: I-90S Elmhurst Rd Pics: No
City: Des Plaines ,IL ,US Docs: No
Lat/Lon: 42.018049542 ,-87.9406895 Links: No
1 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: Added or clarified information.

Jackson Ave CFI
Details    Edit
Updated: Nov 01, 2012
 Arterial Intersections  Continuous Flow Intersections  CFI - 1,3,4-legs  Existing
Abstract: CFI T-intersection with crossover on west leg.
Region: USA - Southeast Videos: No
Road: MS-6Jackson Avenue Pics: No
City: Oxford ,MS ,US Docs: No
Lat/Lon: 34.360650806 ,-89.5717280 Links: Yes
2 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: Added or clarified information.

4th CFI in USA
Details    Edit
Updated: Jul 29, 2011
 Arterial Intersections  Continuous Flow Intersections  CFI - 2-legs  Existing
Abstract: This was the first CFI in Utah, opened in late 2007. UDOT thought it worked so well they have since built about 4-5 more by 2011, and even more are slated for the future.
Region: USA - Mountain West Videos: No
Road: Bangerter Hwy Pics: Yes
City: West Valley City ,UT ,US Docs: No
Lat/Lon: 40.696777619 ,-111.9806828 Links: Yes
3 people have recorded their role in this project.
Credits

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

Greenstead Roundabout (Ring Junction)
Details    Edit
Updated: Jul 26, 2011
 Amazing Places!  Crazy Places!  Existing
Abstract: What were they thinking? This is a ring junction with 5 mini-roundabouts.
Region: Europe Videos: No
Road: Greenstead Roundabout Pics: No
City: Colchester ,GB Docs: No
Lat/Lon: 51.884450182 ,0.9326282 Links: No
2 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: Added or clarified information.

Plough Roundabout (Ring Junction)
Details    Edit
Updated: Jul 26, 2011
 Amazing Places!  Crazy Places!  Existing
Abstract: Six-pointed ring junction. Worst or Best? Voted the UK's second-worst roundabout in a 2005 poll held by an insurance company (the winner being its Swindon counterpart). In 2011 the roundabout was voted the best in Britain by motorists in a competition organized by a car leasing service.
Region: Europe Videos: No
Road: The Plough Roundabout Pics: No
City: Hemel Hempstead ,GB Docs: No
Lat/Lon: 51.746371391 ,-0.4734176 Links: No
2 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: Added or clarified information.

Hatton Cross Roundabout (Ring Jct)
Details    Edit
Updated: Jul 26, 2011
 Amazing Places!  Crazy Places!  Existing
Abstract: Five-pointed ring junction at Heathrow airport.
Region: Europe Videos: No
Road: Hatton Cross Roundabout Pics: No
City: Longford ,GB Docs: No
Lat/Lon: 51.467864088 ,-0.4233616 Links: No
2 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: Added or clarified information.

Quadrant Intersection, Flexibility for the Future
Details    Edit
Updated: Jul 26, 2011
 Arterial Intersections  Quadrants  w/Interior Development  Conceptual Planning
Abstract: This site does not force left turns to occur on quadrant roadways, but the design is flexible, giving them a "get out of jail free" card when congestion is so bad that quadrants could improve things. Also improves general connectivity of this busy activity center.
Region: USA - Mountain West Videos: No
Road: UT-68Crossroads Blvd Pics: No
City: Saratoga Springs ,UT ,US Docs: No
Lat/Lon: 40.387584095 ,-111.9163460 Links: No
2 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: Added or clarified information.

1st CFI in USA
Details    Edit
Updated: Jul 23, 2011
 Arterial Intersections  Continuous Flow Intersections  CFI - 1,3,4-legs  Existing
Abstract: The first true Continuous Flow Intersection built in the USA.
Region: USA - Northeast Videos: No
Road: County Rd 46 Pics: No
City: Shirley ,NY ,US Docs: No
Lat/Lon: 40.826343516 ,-72.8812319 Links: No
2 people have recorded their role in this project.
Credits

An Ho, PE, TPT   Construction Manager
Role: Added or clarified information.
Jonathan Dough   
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
2 people have recorded their role in this project.
Credits

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

Cul-De-Sacs made of Water!
Details    Edit
Updated: Jul 21, 2011
 Amazing Places!  Cool Places  Existing
Abstract: The whole area has streets for both autos and boats! This is fairly common in Florida, and this is just one example.
Region: USA - Southeast Videos: No
Road: Forrest Ct Pics: No
City: Marco Island ,FL ,US Docs: No
Lat/Lon: 25.918177903 ,-81.7144968 Links: No
2 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: Added or clarified information.

The Magic Roundabout - What were the Brits thinking!
Details    Edit
Updated: Jul 21, 2011
 Amazing Places!  Crazy Places!  Existing
Abstract: This is one of the strangest intersections ever! Five mini roundabouts inside of a large, awkward traffic circle. Wonder what it looks like at 5 pm? Quite a number of other traffic circles in the general area.
Region: Europe Videos: Yes
Road: The Magic Roundabout Pics: Yes
City: Swindon ,GB Docs: No
Lat/Lon: 51.562872034 ,-1.7714767 Links: Yes
2 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: Added or clarified information.

Hong Kong Cross Harbor Tunnel
Details    Edit
Updated: Jul 21, 2011
 Amazing Places!  Freeway Spaghetti Bowls  Existing
Abstract: The Cross-Harbour Tunnel is the first tunnel in Hong Kong built under water. It has become one of the most congested roads (mainly towards Hong Kong Island direction) in Hong Kong and the world. The tunnel was constructed using the Immersed tube method. Source: wikipedia/Cross-Harbour_Tunnel
Region: Asia Videos: No
Road: 4 Pics: Yes
City: Hong Kong ,HK Docs: No
Lat/Lon: 22.282393722 ,114.1808542 Links: Yes
2 people have recorded their role in this project.
Credits

Jonathan Dough   
Role: Added or clarified information.

DDI on I-95
Details    Edit
Updated: May 18, 2011
 Freeway Interchanges  Diverging Diamond Interchanges  Existing
Region: USA - Southeast Videos: No
Road: I-95US 301 / Fayetteville Road Pics: No
City: Lumberton ,NC ,US Docs: No
Lat/Lon: 34.670289547 ,-79.0056985 Links: No
3 people have recorded their role in this project.
Credits

Markus Epple   
Role: Added or clarified information.
Jonathan Dough   
Role: Added or clarified information.

Page 4 of 5, showing 15 records out of 62 total, starting on record 46, ending on 60

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