NCRoads.com: I-840

I-840
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I-840 21 miles

The Road:

Begins at I-40/85/85 Bus and ends at I-40/73 and US 421 and ends at Elm St in Northern Greensboro (all within Guilford County).

Towns and Attractions:

Guilford Co.: Greensboro

History:

I-840 first appeared as a signed future interstate in 2002 when the freeway between US 70 and I-40/85 was opened. Although signed as I-840, this segment of road was technically SR 3269 until Sept 2011.
In Dec 2008 (Bob Malme's I-73 website), I-840 was signed as a future interstate from I-40/73 and US 421 north to Bryan Blvd. As with the eastern segment, this segment was not technicaly added as I-840 by NCDOT in Sept 2011 (it was given its I-73 designation by NCDOT in Feb 2009).
On December 6, 2017 (aaroads forum), I-840 was opened from US 70 northwest to US 29 (though only posted as I-785).
On April 19, 2018 (aaroads forum), I-840 was opened from I-73/Bryan Blvd northeast to US 220.

2011 Official I-840 appears on both sides of Greensboro
2011 Official 2019-20 Official I-840 open to US 29 and US 220 respectively
2019-20 Official

On Dec 30, 2019 (aaroads forum), I-840 was opened from US 220 to Lawndale Dr.
On Dec 23, 2020 (aaroads forum), I-840 was opened from Lawndale Dr to Elm St.
On Jan 23, 2023 (aaroads forum), I-840 was opened from Elm St. to US 29, completing the Greensboro Loop, as well as I-840.

I-840 open from US 220 to Elm St
2021-22 Official

Exit List:
EXIT 1: I-40, I-73 SOUTH, US 421
EXIT 2: SR 2147 W. Friendly Ave
EXIT 3: I-73 NORTH
EXIT 6: US 220
EXIT 8: Lawndale Dr
EXIT 10: SR 1001 Elm St
EXIT 11: SR 2523 Yanceyville Rd
EXIT 14: US 29
EXIT 17: SR 2770 Huffine Mill Rd
EXIT 18 (old 19): US 70
EXIT 21: I-40, I-85, I-85 Bus

Comments:

The first official map to show anything assigned as I-840 was the 2009 issue.
In July 2013 (NCDOT), I-785 was officially assigned to the eastern piece of I-840, creating the second overlay in the country of two 3dis.

Last Update: 20 January 2023

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