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Major Projects in Depth

Chestnut Expressway/Route 65 Interchange:

'Diverging Diamond Interchange' Project

Project Maps/Facts:

Project map (PDF)

Computer Animations:

Computer animation (from Kansas Expressway/I-44 DDI)

Additional DDI Information

Related News Releases:

Chestnut Exp./Route 65 project begins

Chestnut Exp. Set to Close for 30 Calendar Days

Crews blast for water line installation

Project Facts:

Construction: April 2012 through November 2012

Convert Chestnut Expressway/Route 65 to 'Diverging Diamond Interchange'

  • Traffic on Chestnut Expressway will be shifted to left-hand side of the road at new traffic signals on either side of Route 65.
  • Chestnut Expressway traffic turning left onto Route 65 will have a "free left," without having to turn in front of oncoming traffic
  • Chestnut Expressway traffic traveling straight will return to the right-hand side of the road at traffic signal on the other side of Route 65.
  • Signs, pavement markings, concrete islands will guide Chestnut Expressway drivers through Diverging Diamond Interchange.
  • Will build dual right-turn lanes -- Southbound Route 65-to-Westbound Chestnut Expresway.
  • Will build dual left-turn lanes -- Northbound Route 65-to-Westbound Chestnut Expressway.
  • Sidewalk built between concrete walls separating eastbound and westbound Chestnut Expressway
  • Widen Chestnut Expressway (Farm Road 132) to three lanes for a short distance east of Route 65

Traffic Impacts During Construction

  • All lanes of Route 65 and Chestnut Expressway remain open during daytime hours.
  • Lanes on Chestnut Expressway closed at various times at night (7 p.m. to 6 a.m.).
  • Narrowed driving lanes on Chestnut Expressway and narrowed ramps are possible at times.
  • Short-term ramp closings will be needed at times.
  • Chestnut Expressway (Farm Road 132) east of Route 65 CLOSED for up to 30 calendar days for widening (exact date to be announced)
  • Chestnut Expressway CLOSED over a weekend toward the end of the project for final conversion to Diverging Diamond Interchange.

Cost: $2.6 million

Give us your comments on this project!

For more information, contact our Southwest District Office at 1.888.275.6636 .

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