VDOT’s Instant Roundabout

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Presentation transcript:

VDOT’s Instant Roundabout Randy Dittberner, P.E., PTOE

Braddock & Pleasant Valley $5.8 million

Purcellville $6.9 million

Gilbert’s Corner $15.8 million

South Riding, Va.

South Riding, 2002

South Riding, 2015

Issues AM peak delays over 3 minutes In 4 years: 27 crashes 35 injuries

Options Do Nothing All-Way Stop Traffic Signal Roundabout

~95’

$0.09 million

29% 89%

2017 National Roadway Safety Award

Coming in 2018 $1.9 million

Questions Randy Dittberner, P.E., PTOE Lee Engineering rdittberner@lee-eng.com

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