Transportation is essential to Idaho’s response during the COVID-19 pandemic. We need to provide a safe system to allow for the essential delivery of goods, medical equipment and other important services throughout Idaho and the nation. Whether it is maintaining highways and bridges, or building new infrastructure, the Idaho Transportation Department and our transportation partners are committed to keeping Idaho goods, agricultural products and services moving during these times. For more information, visit Idaho’s COVID-19 page.
The Idaho Transportation Department is reconstructing and widening I-84 between the Karcher/Midland and Franklin Boulevard interchanges in Nampa.
El Departamento de Transportación de Idaho está reconstruyendo y ampliando la autopista I-84 entre los intercambios de Karcher/Midland y Franklin Boulevard en Nampa.
Design plans and an environmental study are also underway for I-84 between Caldwell and Karcher/Midland.
What to expect during construction
All lanes of I-84 will be open during the day.
One lane may be closed at night in each direction of I-84.
Eastbound lane restrictions will be in place from 10 p.m. to 5 a.m. on weekdays and from 10 p.m. to 7 a.m. on weekends.
Westbound lane restrictions will continue until 6 a.m. on weekdays and until 7 a.m. on weekends.
Traffic will be shifted around the work zone from week to week.
Temporary traffic signals will be in place at on-and-off ramps at the Karcher/Midland Interchange and Northside Boulevard interchange.
Occasional nighttime restrictions may be scheduled on interchange ramps,
Northside Boulevard will be open during the day.
Northside Boulevard will be closed for several nights in 2020 for girder placement.
Nighttime closures will be scheduled at the intersection of Northside Boulevard and 6th Street/Shannon Drive.
Want a behind the scenes look? Watch our latest Facebook Live video.
Northside Boulevard Construction
Construction on Northside Boulevard has begun and crews have demolished the outside lanes of the Northside bridge. Construction will continue until early 2021.
ITD will close the eastside of Northside Boulevard to allow construction crews to begin working on improvements.
What to expect during construction:
Northside Boulevard will be open during the day.
Traffic will be shifted to the west side of Northside Boulevard to allow crews to begin constructing improvements.
Temporary traffic signals will be in place at the on and off-ramps of the interchange.
Northside Boulevard will be closed for several nights in 2020 for bridge demolition and girder placement.
Nighttime closures will be scheduled at the intersection of Northside Boulevard and 6th Street/Shannon Drive.
Northside Boulevard Interchange - SPUI
The interchange at Northside Boulevard will be replaced with a Single Point Urban Interchange to accommodate more traffic and reduce delays.
A SPUI, or Single-Point Urban Interchange is traffic configuration controlled by a central traffic signal underneath I-84 will direct all turning movements from a single point.
Construction Progress Video
Click below to see a time lapse video view of the changes taking place during the I-84 widening project.
Several closures will be in effect around the Northside Boulevard interchange on I-84 in Nampa.
Overnight Friday, June 19 and Saturday, June 20, Northside Blvd. will be closed to traffic between the on-and-off ramps to I-84. Traffic on the interstate will be reduced to one lane in each direction in between the Franklin Blvd. and Karcher/Midland Blvd. interchange.
Here's what you can expect:
- One lane on I-84 will remain open in each direction.
- Northside Boulevard and single-lane closures on I-84 will begin at 9 p.m. each evening, and reopen by 7 a.m. the following morning.
- On-and-off ramps for east and westbound I-84 will remain open.
Westbound I-84 traffic shift begins Friday, June 12 through Monday, June 15
Beginning Friday, June 12, at 10 p.m. , westbound I-84 traffic will be shifted to the center lanes. This work will continue until Monday, June 15 at 5 a.m. . Several ramps will be impacted.
What to expect:
Friday, June 12, 10 p.m. - Monday, June 15, 5 a.m.:
- Westbound on-ramps at Franklin Blvd. and Northside Blvd will be CLOSED all weekend.
- Traffic will be detoured onto Karcher Rd. to the Karcher/Midland Blvd. on-ramp to access westbound I-84
Friday, June 12, 10 p.m. - Monday, June 15, 5 a.m.:
- Traffic for Northside Blvd. and Karcher/Midland must exit at a new temporary ramp location, just west of the Franklin Blvd. westbound on-ramp.
- Several closures will be in effect around the Northside Boulevard interchange on I-84 in Nampa this weekend.
Overnight Friday, June 19 and Saturday, June 20, Northside Blvd. will be closed to traffic between the on-and-off ramps to I-84. Traffic on the interstate will be reduced to one lane in each direction in between the Franklin Blvd. and Karcher/Midland Blvd. interchange.
Click here for a detour map.
Here's what you can expect:
One lane on I-84 will remain open in each direction.
Northside Boulevard and single-lane closures on I-84 will begin at 9 p.m. each evening, and reopen by 7 a.m. the following morning.
On-and-off ramps for east and westbound I-84 will remain open.No other exit until Franklin Rd. exit 29 in Caldwell.
I-84 eastbound traffic shift to begin Friday, June 5 through Monday, June 8
The I-84 widening project has reached a new milestone. The new center lanes of I-84 in Nampa are complete.
Beginning Friday, June 5, at 10 p.m. , eastbound I-84 traffic will be shifted to the center lanes. This work will continue until Monday, June 8 at 5 a.m. . Several ramps will be impacted.
What to expect:
Friday, June 5:
- A temporary signal on the free running right turn at the Karcher/Midland Blvd. eastbound on-ramp will begin directing ramp traffic.
- Friday, June 5 at 10 p.m. to Saturday, June 6, at 10 p.m.:
- Traffic for Karcher Rd., Northside Blvd. and Franklin Blvd. must exit at the Karcher/Midland Blvd. exit 33.
- No other exit until Idaho Center/Garrity Blvd. exit 38 in Nampa.
- Ramp traffic will be reduced to 40 MPH.
Saturday, June 6 at 10 p.m. to Monday, June 8, 5 a.m. :
- Karcher/Midland Blvd. exit 33 will exit and enter I-84 normally.
- Traffic for Northside Blvd. and Franklin Blvd must exit at Northside Blvd. exit 35.
- No other exit until Idaho Center/Garrity Blvd. exit 38 in Nampa.
Northside Blvd. overnight lane restrictions Tuesday, May 26 to Friday, May 29
Utility crews will implement a nighttime single lane closure beginning tonight, Tuesday, May 26 until Friday, May 29th on Northside Boulevard.
Southbound Northside Boulevard traffic will be reduced to one lane from 9 p.m. until 6 a.m. each night. Flaggers will direct Northside traffic through the single lane closure. Travelers should plan for delays of no more than 15 minutes. Work will be completed by Friday, May 29 at 6 a.m .
Eastbound I-84 detour at Karcher/Midland Blvd exit 33 Thursday, April 16 from 10 p.m. to 5 a.m.
On Thursday, April 16, the eastbound on-ramp (free running right) from Karcher Road to eastbound I-84 at Exit 33 will be closed overnight . The ramp will be closed at 10 p.m. and will re-open by 5 a.m.
Traffic will be detoured to the traffic light on Karcher Road to allow a right turn onto eastbound I-84.
The detour will allow crews to install a temporary traffic signal at the ramp. The traffic signal is being installed for later project use, and will not be in immediate operation.
Eastbound I-84 detour at Franklin Boulevard exit 36 Friday, April 10 from midnight to 4 a.m.
Early Friday, April, 10, the eastbound off-ramp at Franklin Boulevard will be closed from 12:00 a.m. (midnight) to 4 a.m.
Traffic will be detoured to the Garrity Boulevard/Idaho Center Boulevard exit 38 eastbound off-ramp in Nampa. Flaggers will be in place on Franklin Boulevard to direct traffic.
The detour will allow crews to re-stripe the eastbound off-ramp at the Franklin Boulevard exit.
Eastbound I-84 closure at Northside Blvd. Exit 35 Friday, March 6 from 12 a.m. to 4 a.m.
ITD will implement a short term overnight closure on Friday, March 6 at 12 a.m. until 4 a.m.
Eastbound I-84 traffic will be detoured off the interstate at the Northside Blvd. Exit 35.
Traffic can use the interchange's on-ramp to re-enter eastbound I-84. Travel will remain open on Northside Boulevard.
This closure will allows crews to safely perform roadway maintenance on I-84.
ITD's Public Information Officer, Jake Melder provides an update on the I-84 construction project, and ITD's approach to the COVID-19 pandemic.
Transportation is an essential service during this pandemic. It is critical that we have a reliable highway network to keep goods and services moving. Connecting you with healthcare providers, and making sure your grocery stores can restock daily, are some of our state’s highest priorities.
At this time, construction is continuing. I-84 is an important corridor and we are committed to delivering these essential services. All lanes of I-84 are open during the day. No road closures on I-84 are currently planned. We will continue to monitor the situation and make changes as needed.
The COVID-19 pandemic has created a dynamic, ever-evolving situation for all of us . We will continue to monitor and make changes to ensure we can safely conduct our essential work. Even now, we are committed to our Mission: “Your Safety. Your Mobility. Your Economic Opportunity.”
Thank you. Stay healthy, stay well, and wash your hands!
Extended single-lane closures
As a result of the statewide stay-home order, ITD will extend single-lane closures on I-84 during the weekdays for construction. Decreased traffic volumes provide crews with additional opportunities to work in the corridor.
What to expect:
Eastbound I-84 single-lane closures: Mon. - Fri., 7 p.m. to 6 a.m.
Westbound I-84 single-lane closures: Mon. - Fri., 8 p.m.to 7 a.m.
One travel lane in each direction will remain open 24/7.
Northside Boulevard will be closed overnight under I-84 Friday, Jan. 31 and Saturday, Feb. 1 while crews place six steel girders for the I-84, Northside Interchange in Nampa.
Girders are the horizontal beams that will support the new bridge. Six girders will be set, weighing over 800,000 lbs.
The Idaho Transportation Department is launching a safety patrol and courtesy towing service on Friday, December 13 to assist disabled vehicles and keep traffic moving safely through the Interstate 84 construction zone in Nampa.
The Safety Service Patrol will operate Monday-Friday during the morning and evening commutes:
5 a.m. to 9 a.m. between the Karcher/Midland and Garrity interchanges, and
3 p.m. to 7 p.m. between the Ten Mile and Karcher/Midland interchanges.
Disabled cars, trucks or motorcycles will be towed to the Jacksons parking lot near the Franklin Boulevard Interchange (1407 N. Franklin Blvd.). Motorists will be responsible to arrange to retrieve their vehicles within 24 hours.
Although the Safety Service Patrol will be out actively searching for disabled vehicles, drivers can still call 911 or *ISP in an emergency.
Northside Blvd lane restrictions begin Monday, Nov. 4.
Lane restrictions will begin on Monday, Nov. 4 , at Northside Boulevard in Nampa.
The restrictions are in place as Intermountain Gas relocates pipes. The utility relocations are in preparation of ITD's replacement of the Northside Interchange project.
Here's what you can expect:
> One southbound lane open from Karcher Road to the I-84 ramps.
> Both northbound lanes will remain open.
> The closure will be in place all day.
> Pipe relocation will take approximately one week. Northside Blvd lane restrictions begin Monday, Nov. 4.
August 4 2019
New traffic pattern on westbound I-84 at Franklin Blvd exit.
On August 4, the Idaho Transportation Department will reconfigure lanes near the Franklin Boulevard Interchange.
In the new configuration, the left lane will no longer merge and will remain a travel lane. The far right lane will end, becoming an off-ramp to Franklin Blvd. View a map of the new traffic pattern.
The new configuration will keep two travel lanes open on I-84 during construction in Canyon County.
Karcher/Midland westbound off-ramp closed overnight Friday, July 26.
The off-ramp will be closed at 10 p.m. and will re-open at 7 a.m.Motorists traveling west to Karcher Rd/Midland Blvd will need to exit I-84 early at Northside Blvd and follow the posted detour signs.
Construction began on July 8 between the Karcher/Midland and Northside interchanges. Construction will begin on July 15 between the Northside and Franklin Boulevard interchanges.
The Idaho Transportation Department is constructing improvements on the Northside Boulevard between Karcher Road and the 6th Street and Shannon Drive intersection.
As construction continues, motorists and pedestrians can expect changes.
Here’s an update on what to expect over the next few weeks:
Flaggers will be in place overnight (10 p.m. to 5 a.m.) at the intersection of Shannon Drive and Northside Boulevard as crews construct a new traffic signal.
Sidewalks on the east side Northside Blvd. will be closed, and pedestrians will be routed accordingly.
Asphalt removal will continue on the east side of Northside Boulevard to prepare for the road widening.
Additional construction noise can be expected as crews begin driving large steel rods into the ground for the new bridge foundation.
