Average number of cars per day
Sully Road (Route 28)
Dulles Toll Road to Lee-Jackson Highway 88,000
Lee-Jackson Highway to I-66 63,000
I-66 to Lee-Jackson Highway 62,000
Lee Highway
I-66 to Sully Road 34,000
Sully Road to City of Fairfax limits 32,000
Lee-Jackson Highway (Route 50)
Sully Road to Stringfellow Road 59,000
Stringfellow Road to West Ox Road 74,000
West Ox Road to I-66 108,000
I-66 to City of Fairfax limits 60,000
Interstate 66
Lee Highway to Sully Road 116,000
Sully Road to Fairfax County Parkway 127,000
Fairfax County Parkway to Lee-Jackson Highway 127,000
Lee-Jackson Highway to Chain Bridge Road 168,000
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