Engineers are designing the features and specifications of these projects as well as working with area stakeholders to prepare for future construction.

These projects are currently, or soon to be, under construction. This likely includes impacts to the traveling public.

I-84 Corridor, Nampa to Caldwell

The Idaho Transportation Department is investing more than $300 million into I-8...

I-90 Corridor

With traffic conditions congested now and volumes expected to double by 2045, IT...

SH-16 Corridor

ITD's work on the SH-16 corridor will address growth and improve mobili...

Eagle Rd /ID-44 Intersection Construction Project

New auxiliary lanes and additional left turn lanes will improve safety and mobil...

State Highway 55: Farmway Road to Middleton Road

The Idaho Transportation Department is designing improvements to modernize State...

I-15 Corridor

The Idaho Transportation Department is continuing a major effort to repair an...

I-86/I-15 System Interchange

The Idaho Transportation Department is working to improve the I-86/I-15 System I...

Idaho 75, Elkhorn Road to River Street

The Idaho Transportation Department is developing plans to improve capacity and ...

SH-45 Repaving

The Idaho Transportation Department paved 13 miles of SH-45, between the SH-78 j...

US-20 Targhee Pass

This project is to improve driver safety, traffic flow, and roadway structural i...

ChindenWest, U.S. 20/26

With growth and increased traffic along this important commuter corridor, additi...

Eagle Road Pavement Repairs

Construction has started!

US-20 Rexburg Interchanges

Middleton Road Overpass – COMPLETED 2020

ITD completed the replacement of Middleton Road Overpass in 2021. Replacing the ...

I-84, Jerome to Twin Falls

The Idaho Transportation Department is designing improvements along I-84 between...

US-95: Lakeshore Drive to Sagle Road

Changes will increase safety for drivers on the highway and reduce delays for dr...

US-12: Saddle Camp to Post Office Creek

Widening four miles of US-12 will increase safety on this narrow, winding route....

US-12: Lochsa Ranger Station to Holly Creek

Widening ten miles of US-12 will increase safety on this narrow, winding route.

US-93, 300 South Road

This Project involves the expansion of US-93 from a two-lane to a four-lane high...

SH-53 State Line to Rathdrum Corridor

Additional turn lanes and a reconstructed roadway base will improve safety and m...

I-84Karcherto Franklin

The Idaho Transportation Department reconstructed and widened I-84 between the K...

US-95: McArthur Lake

Adjusting sharp curves will improve safety.

US-12: Clearwater Memorial Bridge

The Idaho Transportation Department is making plans to rehabilitate and retrofit...

I-84 Burley and Heyburn Interchanges

ITD plans to replace the I-84 interchanges in Burley and Heyburn to better serve...

SH-25 and SH-27: Rupert City Improvements

In 2022, the Idaho Transportation Department will begin construction within the ...

SH-55: Pear Lane to Middleton Road

ITD is working toward improving State Highway 55 from Pear Lane to Middleton Roa...

US 95 Little Salmon River Bridge Replacement

The Little Salmon River bridge has reached the end of its useful life and is bei...

US-95: Granite North

This project will improve safety by expanding US-95 over Granite Hill, building ...

Rocky Point Wildlife Crossing

Every year, approximately 100 mule deer are killed on the 20-mile stretch of US-...

ID-78, ID-167 Intersection Improvement

The existing turning movement is difficult for commercial vehicles to navigate

US-20 Ashton to SH-87 JCT

The Idaho Transportation Department (ITD) is conducting a Planning and Environme...

ID-55, Banks Beach Parking Study

This study will look at improving parking at a popular beach along ID-55

Interstate 84: Bridge Resurfacing

This project involves various interstate bridge repairs from the Utah State Line...

State Highway 44 Widening, SH-16 to Linder Rd.

The Idaho Transportation Department has completed work on the State Highway 44, ...

Potlatch Hill Drive

The bridge that carries traffic on Potlatch Hill Road over Coeur d'Alene Lake Dr...

I-90: Cedars to Dudley

Concrete barrier from mileposts 32-36 will be upgraded or added to the median to...

US-12: Orofino to Greer

Eight miles of US-12 will be resurfaced between Orofino and Greer.

I-90: Seventh Street overpass

The surface of the Seventh Street overpass will be removed and replaced with a n...

State Highway 44 Corridor

The Idaho Transportation Department is developing long-term plans to improve Sta...

US-95 over Northwest Boulevard

The driving surface will be removed and replaced with a concrete one, and the st...

SH-75: Timmerman to Timber Way

SH-75 Improvements to Reduce Congestion and Improve Safety

I-15B Yellowstone & E Alameda Rd Signal Upgrade

Upgrade the traffic signal at the intersection

US-95: Grangeville turn lanes

Adding turn lanes at US-95 and County Road will help large vehicles detour safel...

US-91 Shelley NCL to York Rd

Road upgrades and widening

US-95: Culdesac Canyon Passing Lane

Phased construction in the canyon will add an 11-mile passing lane from Winchest...

ID-21, Cervidae Peak Wildlife Overpass

The overpass will significantly reduce wildlife-vehicle crashes on this busy hig...

SH-3: CDA River Bridge to I-90 sealcoat

Applying a sealcoat to six miles of ID-3 will help preserve the pavement.

SH-3 widening

Increasing the width of the shoulders on the dike will improve safety.

I-86 Power County Seal Coat

Seal Coat & micro-surfacing application

I-15 Malad Bridge Rehabilitation

Bridge rehab

SH-41 Post Falls to Rathdrum Corridor

An expanded highway will help meet the growing traffic demands on this highly-us...

US-30 Caribou County to Georgetown Seal Coat

Seal Coat

ID-21, Lowman Bridge Replacement

The old bridge is at the end of its life cycle and will be rebuilt.

SH-3: Middle Fork Potlatch Creek Bridge

A new structure with wider shoulders will meet modern vehicle needs and support ...

SH-13: Sally Ann

Upgrading this culvert north of Harpster will make it more fish-friendly and abl...

US-95: Bonners Ferry Reconstruction

The highway will be rebuilt with a continuous center turn lane and pedestrian fa...

Idaho 55 – Donnelly to Deinhard Lane

ITD has finished repaving Idaho 55 between Donnelly and McCall. We thank everyon...

US-93: Shoshone to Marley

This projects involves a CRABS treatment that will address base rehabilitation a...

Galena Summit Slide, Idaho Highway 75

An active landslide exists on the southern slope of Galena Summit that does, and...

I-84/ID-50: Kimberly Interchange

The Idaho Transportation Department is planning on rebuilding the Kimberly Inter...

I-84: Declo Port of Entry

This project involves removing the existing Cotterel Port of Entry (POE) and con...

SH-11: Greer Grade to Weippe

Eleven miles will be resurfaced from the top of Greer Grade to Weippe. New culve...

State Highway 75: North Hailey

This project will rehabilitate the highway from Cobblestone Lane to Timber Way.

I-15 Bridge Repairs

Bridge Repairs

ID-34 Tincup Creek Bridge

Bridge Replacement

US-95: Lincoln Way and Walnut Ave in CDA

The highway will be expanded to include two lanes in each direction at the curve...

ID-39: Southwest Blackfoot

A proposed "road diet" intends to minimize traffic conflicts to improve driver s...

US-30 Lava Hot Springs Rockfall

Rockfall Mitigation

SH-55 Round Valley to Clear Creek

Repaving work on SH-55 between Round Valley and Clear Creek is currently underwa...

SH-16 text and email signup

I-84: South Jerome Interchange

Originally built in 1966, this project involves the redesign and replacement of ...

National Electric Vehicle Infrastructure Program

Submit your feedback on the placement of future electric vehicle charging statio...

Clearwater Crossings: Spalding and Arrow Bridges

The Clearwater River crossings at Spalding Bridge and Arrow Bridge are important...

Idaho 55 Little Goose Creek

The Idaho Transportation Department (ITD) is developing plans to replace the exi...

Western Canyon/Owyhee Counties Corridor Study

US 20: Chester to Ashton Environmental Assessment

The Idaho Transportation Department (ITD) and the Federal Highway Administration...

Snake River Crossing

US-95: Potlatch Bridges

Replacing two aging bridges and adding turn lanes will make the highway safer.

ID-33 Newdale to US-20 Junction Reconstruction

Road Reconstruction

ID-44 (Glenwood St.) Corridor Plan

A corridor plan will provide a road map for future improvements on Glenwood Stre...

US-95: Mission Creek Road to Golden Eagle Passing Lane

A northbound passing lane will provide safer opportunities to pass south of Lapw...

State Highway 69 Corridor: Orchard Avenue to Overland Road

A long-range plan for this important Treasure Valley corridor

SH-200: Chipseal from Pack River to Trestle Creek

Work will preserve four miles of the driving surface and update guardrail.

I-90: Division Street, Elizabeth Park Overpasses

The Idaho Transportation Department (ITD) is replacing the Interstate 90 overpas...

I-90: Osburn to Wallace

Less than three miles will be reconstructed from roughly milepost 58 to milepost...

US-95 sealcoat near Tensed, Plummer and Worley

Work will preserve 35 miles of highway near Plummer and Tensed.

US-26 Swan Valley to Wyoming Mill & Overlay

Mill & Overlay

US-2 railroad underpass

ID-55, Smiths Ferry Improvements

This project will widen shoulders, minimize roadway curves and install guardrail...

I-90 bridges near Cataldo

Both eastbound and westbound bridges will be replaced.

I-90: Wallace to Mullan

Resurfacing five miles of the interstate will fix the deteriorating driving surf...

US-95 & West Elmira Road

New lighting and a northbound left turn lane on US-95 will provide safer access....

US-95 & Kootenai Trail Road

New lighting and left turn lanes on US-95 will provide safer access.

SH-27: Burley Improvement Projects

The Idaho Transportation Department is planning multiple projects on State Highw...

Aht’Wy Interchange

An interchange will provide safer access to Aht'Wy Plaza residents and local bus...

US-95 & Mountain Meadows

New lighting and a southbound left turn lane on US-95 will provide safer access.

US-95: Spokane River Bridge

This bridge will undergo repairs from 2021-2023 to keep it in service.

American Falls: Pocatello Ave / I-86 Business Loop

This project is expected to significantly improve efficiency and safety at the i...

SH 39 Center Turn Lane and Collins Siding Rd Intersection

State Highway 39, from approximately Thomas (S 500 W) to Collins Siding Road wil...

US-95 guardrail replacement

Updated guardrail will enhance safety for drivers.

SH-200: Center Turn Lane in Kootenai

Adding a center turn lane will allow turning drivers an area to safely wait on t...

I-15 Fort Hall Interchange

The new interchange design will serve the Fort Hall community and the traveling ...

SH-11: Quartz Creek Bridge

The 1958 bridge near Pierce is in need of replacement.

Eagle Rd, Franklin to Ustick Widening Project

This project will add a third southbound lane on SH-55 (Eagle Road) between Fran...

I-84 Text Sign Up

Glenns Ferry to Cold Springs Pavement Rehab

This project will restore pavement between Cold Springs and Glenns Ferry

ID-55: Pear Lane to Middleton Road

ITD is working toward improving State Highway 55 from Pear Lane to Middleton Roa...

State Highway 21, Technology to Surprise Way Center Turn Lane Construction

The project will provide a new center turn lane on State Highway 21 between Tech...

South St. Anthony Interchange

This project will provide increased capacity, mobility, and safety for the trave...

US-95 Pine Creek Bridge Replacement

The Pine Creek bridge has reached the end of its useful life and will be replace...

US-95: Passing Lane

Adding a northbound passing lane will provide safer opportunities for motorists ...

US-26 & 25th East (Hitt Rd.)

ITD is looking at improvements to increase mobility and safety at US-26 and 25th...

US-93 Twin Falls Improvement Projects

The Idaho Transportation Department (ITD) will improve the pavement on US-93 in ...

US-95: CDA signal upgrades

Upgrading signal technology will improve traffic flow and functionality in emerg...

US-95: Thorn Creek Road to Moscow

Expanding the highway to four lanes on a new alignment will not only add capacit...

SH-3: Clemenhagen Road to Deary

Resurfacing 5.5 miles will remove rutting.

SH-53 and Ramsey

Installing a permanent signal and adding turn lanes in 2023 will improve safety ...

Scaling on US-2 and SH-200

Scaling rocky areas above the highways will bring down loose material in a safe ...

I-84, Exit 25 Improvements

A new signal and additional off ramp capacity will prevent cars from queuing bac...

SH-13: East Kooskia Bridge

Replacing the bridge will allow it to safely carry vehicles over the Clearwater ...

US-2 from US-95 junction to Moyie Bridge

Resurfacing US-2 from the US-95 junction to the Moyie Bridge will improve safety...

I-84 Business Resources