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cowboy_wilhelm

North Carolina Highway Traffic Volumes

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I-40 in Durham County is now the most traveled section of highway in North Carolina. The section between Page Road and I-540 saw an annual average daily traffic (AADT) volume of 192,000 vehicles in 2016. This surpassed I-77 in Mecklenburg County - historically the most traveled highway in North Carolina - by 11,000 vehicles in 2016. Two other sections of I-40 in Durham and Wake counties also saw traffic volumes exceed those of I-77 between I-277 and I-85 in 2016.

Below is a table highlighting some traffic volume statistics across North Carolina in 2016.

Category

Highway

County

Location

AADT

Most traveled Interstate highway

I-40

Durham

Exit 282 to Exit 283

192,000

Least traveled Interstate highway

I-73/I-74

Montgomery

Exit 35 to Exit 39

7,400

Most traveled section of Interstate that is still four-lanes and not under construction (yet)

I-440

Wake

Exit 2 to Exit 3

91,000

Most traveled Interstate loop

I-440

Wake

Exit 7 to Exit 8

148,000

Least traveled Interstate loop

I-840 (incomplete)
 

Guilford

Exit 19 to Exit 21

17,000

Most traveled Interstate spur

I-795

Wilson

Exit 38 to Exit 40

30,000

Least traveled Interstate spur

I-795

Wilson

Exit 107 to Exit 108

12,000

Interstate lowest maximum AADT

I-140

New Hanover

Exit 17 to Exit 20

18,000

Interstate greatest minimum AADT

I-495/I-87

Wake

Exit 419 to Exit 420

85,000

Greatest Interstate traffic increase (volume), 2011-2016

I-485

Mecklenburg

Exit 30 to Exit 32

+57,000

Greatest Interstate traffic increase (percent), 2011-2016

I-74

Guilford

Exit 75 to Exit 79

+167.9%

Greatest Interstate traffic decrease (volume), 2011-2016

I-77

Mecklenburg

Exit 25 to Exit 28 (construction)

-5,000

Greatest Interstate traffic decrease (percent), 2011-2016

I-73/I-74

Montgomery

Exit 35 to Exit 39

-22.1%

Most traveled non-Interstate highway

US 74/ Independence Blvd

Mecklenburg

Exit 243 to Exit 244

107,000

Edited by cowboy_wilhelm
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