I-81 road conditions today

Two lanes, heavy trucks and slow crash clearance

Virginia, Bristol to the West Virginia line (mileposts 0 to 325)

As of November 2025, 509 of the 650 directional miles of I-81 in Virginia were two lanes each way, so one blocked lane leaves a single lane open. Over six years the corridor averaged 2,750 crashes a year, and about one-third involved heavy trucks (VDOT 2026 I-81 Corridor Improvement Plan). VDOT names a lack of capacity, rolling terrain, few reliable detours, the high truck share and narrow shoulders as the reasons crashes take long to clear. Under Va. Code 46.2-803.1 a commercial vehicle may not use the left-most lane of I-81 where there are more than two lanes each way, at any posted speed, and on two-lane sections a truck running 15 mph or more below the limit must keep to the right-most lane. Check 511 Virginia before you commit to a long run between interchanges, because after a crash there may be no good way around.

Planned climbing lanes and the Roanoke widening

Radford to Roanoke, VA (mileposts 103 to 150)

In VDOT's January 2026 I-81 Corridor Improvement Plan, the funding scenario approved by the Commonwealth Transportation Board includes truck climbing lanes on two grades near Radford: northbound from milepost 106.0 to 110.5 (Montgomery County) and southbound from milepost 104.9 to 103.4 (Pulaski County). They are planned, not built. Near Roanoke, VDOT said on September 14, 2026 that I-81 has three lanes each way between exit 137 and exit 143 (I-581), and that lane closures will continue while crews finish signs, slopes and landscaping. Widening between exits 143 and 150 began in fall 2025, with completion estimated for summer 2031. VDOT keeps two lanes open each way during the work and schedules lane closures at night or outside peak hours. On the three-lane sections, trucks stay out of the left lane at any speed (Va. Code 46.2-803.1). Check 511 Virginia for night closures before a late run through Salem and Roanoke.

Tiered winter truck bans

Pennsylvania, Maryland line to New York line (mileposts 0 to 233)

PennDOT, PEMA, the State Police and the Turnpike Commission set winter truck restrictions in five tiers under the Weather Event Vehicle-Restriction Plan. Tier 1 bars tractors without trailers, tractors pulling empty or lightly loaded trailers of any kind, including tankers and doubles, and empty or lightly loaded box trucks that are CMVs. Tier 2 also bars loaded doubles that carry no chains or approved alternate traction device (ATD). Under Tier 3 only loaded single trailers with chains or ATDs may run, Tier 4 bars all commercial vehicles, and Tier 5 closes the road to everyone but emergency responders. Speed can drop to 45 mph for all vehicles, and trucks that are still allowed must use the right lane. On February 22, 2026, PennDOT put all of I-81 under Tier 1 from 3:00 p.m., and planned to keep it at Tier 1 at 6:00 p.m., when I-80 east of I-81, I-84 and I-380 were set to move to Tier 4. If you are running empty or light, decide where you will wait before a storm reaches Pennsylvania, and check 511PA for the current order.

Pavement replacement through 2031

Scranton and Dunmore, PA (exits 185 to 187)

PennDOT District 4 is replacing the concrete pavement on I-81 and I-84 in Scranton and Dunmore, with work on the interstates scheduled from April 1, 2026 through 2031. The project covers about 2 miles of I-81 between exit 185 (President Biden Expressway) and exit 186 (Drinker Street), about 2 miles of I-84/I-380 between PA 435 and the I-81/Casey Highway (US 6) interchange at exit 187, and the ramps at that interchange. Expect lane restrictions on both roads, and check 511PA for the week's closures before you run through to I-84 or I-380.

Lake-effect snow and truck lane orders

Syracuse to the Canadian border, NY (Oswego and Jefferson counties)

Lake-effect bands off Lake Ontario reach this stretch. NWS Buffalo says the heavy bands covered the whole Watertown metro area in the winter of 2024 to 2025, and one week in February 2025 brought nearly six feet of snow across Oswego and southern Lewis counties. Before the November 2022 storm, the Governor's office said up to two feet or more was possible in the Watertown area, with snowfall rates of three or more inches an hour, and from 4 p.m. on November 17, 2022 NYSDOT ordered trucks into the right lane only on I-81 from exit 33 (Parish, now exit 114) to the Canadian border. On December 1, 2024 the state said two to three more feet were possible in the North Country, heaviest from the northern Tug Hill to near Watertown, and it had tow trucks staged on I-81 in Oswego and Jefferson counties. When the National Weather Service has a lake-effect snow warning out for these counties, check 511NY for truck restrictions before you head north from Syracuse or south from the border.

Active Closure @ I-81 NORTH/SOUTH BETWEEN MP 3 AND MP 4

WASHINGTON COUNTY: I-81 NORTH/SOUTH

Roadwork on PA 61 northbound between TERRY RICH BL and Exit: I-81 NORTH - HAZLETON. There is a traffic disrup…

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UTILITY WORK on I-81 Southbound At Exit REST AREA TRAILERS TRUCKS/WEIGH STATION. Exit Ramp Closed.

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ROADWORK on I-81 Southbound between Exit 155 DORRANCE and RAMP FROM SR 3007 (BLUE RIDGE TR) AT EXIT 155 - DO.…

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ROADWORK on I-81 Northbound between Exit 170A PA 115 SOUTH - BEAR CREEK and Exit 170B PA 309 NORTH - WILKES-BA…

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ROADWORK on I-81 Southbound At MM 231.5. All Lanes Disrupted, Left Shoulder Disrupted, Right Shoulder Disrupte…

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ROADWORK on I-81 Northbound At MM 223. All Lanes Disrupted, Left Shoulder Disrupted, Right Shoulder Disrupted.

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ROADWORK on I-81 Northbound between MM 156 and MM 157. Left Shoulder Blocked, Right Shoulder Blocked.

I-81