Latest highway conditions as of 1:45 PM, Thursday, Dec. 30.
*Interstate 17 is open northbound.
*US 180 is expected to remain closed through the evening.
*SR 89A will be reopened as soon as snowplows are able to clear the roadway. I will update you as soon as the roadway reopens.
*Interstate 40 is open in both directions.
*Interstate 17 northbound remains closed but crews are working diligently to reopen the roadway just as soon as it is safe to do so. I will update you as soon as the road opens.
*State Route 89A and US 180 remain closed.
*Interstate 17 southbound is open out of Flagstaff. The roadway remains slippery and motorists are advised to use extra caution and reduced speeds.
*The other closures noted on the 6:03AM update remain.
*Interstate 40 stretching through Kingman, Flagstaff and Winslow (milepost 71 to 252) has been closed in both directions due to winter driving conditions.
*I-17 northbound remains closed north of State Route 179. Traffic at this time is being diverted to southbound I-17. Drivers are advised to detour in advance or delay travels to avoid congestion at the turnaround.
*I-17 southbound is closed at Airport Road, about two miles south of Flagstaff. Traffic is being rerouted back to the north. Travel south from Flagstaff at this time is not recommended; no reopen time has been established.
*State Route 89A remains closed from Pumphouse Wash at milepost 386 to Forest Highlands Road at milepost 397 due to winter conditions and resource allocation.
*US 180 between mileposts 236 (Kendrick Park) and 248 (Cedar Ranch)
11 PM UPDATE
*Snowfall has subsided for a short time this evening but NWS is forecasting heavy snow to begin again around midnight and continue for another 8-12 hours.
*I-17 Southbound has been cleared of traffic tie-ups but remains closed until crews can properly plow and apply de-icers. It is planned to reopen southbound at 01:00, Dec. 30, 2010. This is subject to change depending on conditions.
*I-17 Northbound has not been completely cleared of tie-ups but there is improvement and traffic queues have been turned around and mainly redirected back south. Northbound will remain closed for the night and reassessed tomorrow morning.
*SR 89A will remain closed through the night between mileposts 386 and 397 and will be reassessed once I-17 is completely open and resources can be shifted back to that location.
*I-17 Southbound is closing immediately at Airport Road just south of Flagstaff between mileposts 316 and 327.
*I-17 Northbound remains closed at milepost 299.
*I-17 Northbound is closing immediately at milepost 299. Traffic is being turned around to head southbound. Only local traffic will be permitted to enter Sedona.
*ADOT will close SR 89A between mileposts 386 (Pumphouse Wash) and 397 (Forest Highlands) at 2 p.m. today in order to prioritize snow removal and deicing efforts on Interstate 17. This portion of SR 89A will remain closed for at least 24 hours.
*All Flagstaff maintenance yards snow removal equipment and staff is fully deployed, plowing and deicing the roadways.
*Page yard has 2 snowplow trucks out on SR 98 and US 89. Fredonia yard also have trucks out on US 89A and SR 389.
* All highways open and passable with both wet and snowpack conditions.
*NWS expecting conditions to deteriorate over next 12-18 hours with heavy snow and high winds. With these winds, motorists should anticipate the possibility of white out conditions as the snow increases.
*Road crews are calling in conditions of ice and snow on roadways. Crews continue to monitor conditions.
*All roads remain open at this time.
*Snowplows are out removing snow from roadway and applying chemical deicer.