Update 8:44 a.m.
Traffic is now moving again on Interstate 81 South at mile marker 119.8 in Montgomery County. The right shoulder is blocked.
![www.511Virginia.org (webcam near 119.4)](https://wfirnews.com/wp-content/uploads/2014/07/VDOT-119.4.jpg)
(webcam near 119.4)
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Friday, 7/25/14 8:24 a.m.
The Virginia Department of Transportation reports that a tractor trailer accident is blocking Interstate 81 South at mile marker 119.8 in Montgomery County. Traffic is backed up 1 mile. All lanes of southbound I81 are closed, including the shoulders. There is no word at this time when the lanes will reopen.
![www.511Virginia.org (webcam near mile marker 119.4)](https://wfirnews.com/wp-content/uploads/2014/07/VDOT-119.jpg)
(webcam near mile marker 119.4)