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Planning & Design
Engineers are designing the features and specifications of these projects as well as working with area stakeholders to prepare for future construction.
Construction
These projects are currently, or soon to be, under construction. This likely includes impacts to the traveling public.
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Planning & Design

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

Construction

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

New Feature - Large Project

I-84 Corridor, Nampa to Caldwell

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

New Feature - Large Project

SH-16 Corridor

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

Road Expansion - Large Project

I-90 Corridor

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

New Feature - Planning & Design

I-84 Meridian Interchange to Eagle Interchange Auxiliary Lane

ITD will improve eastbound I-84 between the Meridian Road and Eagle Road interch...

New Feature - Large Project

I-15 Corridor

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

Road Expansion - Planning & Design

SH-55: Farmway Road to Middleton Road

The Idaho Transportation Department has finalized design plans to modernize Stat...

Road Expansion - Planning & Design

I-86/I-15 System Interchange

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

Pavement Rehab - Planning & Design

Idaho 75, Elkhorn Road to River Street

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

Pavement Rehab - Construction

SH-45 Repaving

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

Road Expansion - Planning & Design

US-20 Targhee Pass

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

Road Expansion - Large Project

ChindenWest, US-20/26

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

Bridge Replacement - Planning & Design

US-20 Rexburg Interchanges

Pavement Rehab - Construction

Eagle Road Pavement Repairs

Construction has paused for winter!

New Feature - Construction

US-95: Lakeshore Drive to Sagle Road

Changes to US-95 between Lakeshore Drive and Sagle Road will increase safety for...

Road Expansion - Planning & Design

I-84, Jerome to Twin Falls

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

Road Expansion - Planning & Design

US-12: Lochsa Ranger Station to Holly Creek

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

Road Expansion - Planning & Design

US-12: Saddle Camp to Post Office Creek

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

Road Expansion - Construction

Eagle Road/SH-44 Intersection Construction Project

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

Road Expansion - Planning & Design

US-12: Tumble Creek to Lochsa Ranger Station

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

Road Expansion - Planning & Design

I-84 Caldwell to Karcher

ITD is making plans to improve I-84 west of the Franklin Road Interchange in Cal...

Road Expansion - Planning & Design

US-93, 300 South Road

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

Road Expansion - Construction

I-84 Karcher to Franklin

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

Road Expansion - Large Project

SH-53 State Line to Rathdrum Corridor

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

New Feature - Planning & Design

US-95: McArthur Lake

Adjusting sharp curves will improve safety.

Bridge Replacement - Planning & Design

US-12: Clearwater Memorial Bridge

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

Road Expansion - Planning & Design

American Falls: Pocatello Ave / I-86 Business Loop

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

New Feature - Planning & Design

Galena Summit Slide, Idaho Highway 75

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

Road Expansion - Construction

US-95: Culdesac Canyon Passing Lane

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

Bridge Replacement - Construction

I-90: Division Street, Elizabeth Park Overpasses

The Idaho Transportation Department is replacing the I-90 overpasses over Divisi...

New Feature - Construction

Aht’Wy Interchange

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

Road Expansion - Planning & Design

SH-200: Center Turn Lane in Kootenai

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

Road Expansion - Construction

US-95: Bonners Ferry Reconstruction

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

Road Expansion - Planning & Design

US-95: Lincoln Way and Walnut Ave in CDA

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

New Feature - Large Project

SH-41 Post Falls to Rathdrum Corridor

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

New Feature - Planning & Design

Western Canyon/Owyhee Counties Corridor Study

Road Expansion - Construction

US-95: Thorn Creek Road to Moscow

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

Bridge Work - Planning & Design

I-15 Fort Hall Interchange

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

Road Expansion - Planning & Design

US 20: Chester to Ashton Environmental Assessment

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

New Feature - Construction

US-95: CDA signal upgrades

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

New Feature - Planning & Design

SH-53 and Ramsey

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

Road Expansion - Planning & Design

US-95: Grangeville turn lanes

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

New Feature - Planning & Design

SH-55, Banks Beach Parking Study

This study will look at improving parking at a popular beach along State Highway...

Road Expansion - Planning & Design

SH-55: Pear Lane to Middleton Road

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

Bridge Replacement - Planning & Design

I-84/ID-50: Kimberly Interchange

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

New Feature - Construction

I-90: Cedars to Dudley

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

Road Expansion - Planning & Design

SH-44 Corridor Plan

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

Bridge Work - Planning & Design

SH-13: Sally Ann

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

New Feature - Planning & Design

Rocky Point Wildlife Crossing

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

New Feature - Planning & Design

US-95 guardrail replacement

Updated guardrail will enhance safety for drivers.

Pavement Rehab - Construction

I-84 Text Sign Up

Road Expansion - Planning & Design

SH-69 Corridor: Orchard Avenue to Overland Road

A long-range plan for this important Treasure Valley corridor

New Feature - Planning & Design

SH-21, Cervidae Peak Wildlife Overpass

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

New Feature - Planning & Design

SH-44 Glenwood Street Corridor Plan

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

Bridge Replacement - Planning & Design

SH-13: East Kooskia Bridge

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

Pavement Rehab - Planning & Design

US-2 from US-95 junction to Moyie Bridge

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

Road Expansion - Planning & Design

US-95: Passing Lane

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

Road Expansion - Planning & Design

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

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

Pavement Rehab - Planning & Design

I-90: Osburn to Wallace

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

Bridge Work - Construction

US-95: Spokane River Bridge

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

Seal Coat - Planning & Design

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

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

Pavement Rehab - Planning & Design

ID-39: Southwest Blackfoot

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

New Feature - Planning & Design

US-95 & West Elmira Road

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

New Feature - Planning & Design

US-95 & Kootenai Trail Road

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

New Feature - Planning & Design

US-95 & Mountain Meadows

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

Road Expansion - Planning & Design

US-2 railroad underpass

New Feature - Construction

SH-55, Smiths Ferry Improvements

In fall 2020, ITD started construction on this project to widen the highway, str...

Bridge Replacement - Planning & Design

SH-21, Lowman Bridge Replacement

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

Bridge Replacement - Planning & Design

I-90 bridges near Cataldo

Both eastbound and westbound bridges will be replaced.

Pavement Rehab - Construction

US-12: Orofino to Greer

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

Bridge Work - Construction

I-15 Malad Bridge Rehabilitation

Bridge rehab

New Feature - Construction

I-84: Declo Port of Entry

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

Bridge Work - Construction

I-15 Bridge Repairs

Bridge Repairs

Pavement Rehab - Construction

ID-33 Newdale to US-20 Junction Reconstruction

Road Reconstruction

Pavement Rehab - Construction

US-26 Swan Valley to Wyoming Mill & Overlay

Mill & Overlay

Bridge Replacement - Planning & Design

SH-11: Quartz Creek Bridge

The 1958 bridge near Pierce is in need of replacement.

Road Expansion - Construction

Eagle Road, Franklin to Ustick Widening Project

This project added a third southbound lane on SH-55 (Eagle Road) between Frankli...

Bridge Replacement - Planning & Design

SH-55 Little Goose Creek

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

Road Expansion - Planning & Design

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

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

New Feature - Construction

I-84, Exit 25 Improvements

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

New Feature - Construction

SH-78, SH-167 Intersection Improvement

This project improved the turning movement for commercial vehicles to navigate.

New Feature - Planning & Design

US-20 Ashton to SH-87 JCT

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

Pavement Rehab - Construction

SH-55 Round Valley to Clear Creek

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

Road Expansion - Construction

SH-44 Widening, SH-16 to Linder Road

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

Bridge Replacement - Planning & Design

I-84: South Jerome Interchange

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

New Feature - Planning & Design

I-84 Burley and Heyburn Interchanges

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

Road Expansion - Planning & Design

SH-55: Pear Lane to Middleton Road

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

Pavement Rehab - Construction

SH-27: Burley Improvement Projects

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

Bridge Replacement - Planning & Design

Clearwater Crossings: Spalding and Arrow Bridges

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

Seal Coat - Planning & Design

US-95 sealcoat near Tensed, Plummer and Worley

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

Road Expansion - Construction

SH-21, Technology to Surprise Way Center Turn Lane Construction

The project built a new center turn lane on State Highway 21 between Technology ...

New Feature - Planning & Design

SH-75: Timmerman to Timber Way

SH-75 Improvements to Reduce Congestion and Improve Safety

Pavement Rehab - Planning & Design

SH-11: Greer Grade to Weippe

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

Road Expansion - Construction

SH 16 Construction FAQs

Frequently Asked Questions

New Feature - Planning & Design

National Electric Vehicle Infrastructure Program

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

New Feature - Planning & Design

Snake River Crossing

The Idaho Transportation Department is conducting the Snake River Crossing Study...

New Feature - Planning & Design

South St. Anthony Interchange

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

Pavement Rehab - Construction

SH-16 text and email signup

New Feature - Planning & Design

Blackfoot SH-39: Widening and Intersection Improvements

This project will improve safety and accommodate growth in West Blackfoot.

Bridge Replacement - Planning & Design

US-93 Pahsimeroi River Bridge Replacement

The purpose of the project is to provide an improved and safe crossing of US-93 ...

Bridge Replacement - Planning & Design

SH-52 Snake River Bridge Replacement

The Idaho Transportation Department (ITD) is replacing the State Highway 52 (SH-...

New Feature - Planning & Design

SH-33

Planning for the future of SH-33 through the Teton Valley

Seal Coat - Planning & Design

I-90: Big Creek to Osburn

About 4.5 miles will be resurfaced from the Big Creek Exit through Osburn, inclu...

New Feature - Planning & Design

SH-13: Kooskia Curve

Realigning the curve will make it safer and easier for drivers to navigate.

Seal Coat - Construction

US-12: Saddle Camp to Warm Springs

About 11 miles will be resurfaced between milepost 140 to 151.

Road Expansion - Planning & Design

US-95 passing lane near Ferdinand

A new passing lane south of Ferdinand will provide safer opportunities for passi...

Seal Coat - Planning & Design

US-95: MP 210 to White Bird

About 13 miles of highway will be resurfaced, including some pullouts. Guardrail...

New Feature - Planning & Design

US-93, Tomcat Hill Curves

The Idaho Transportation Department is conducting a study and designing improvem...

Pavement Rehab - Construction

Interstate 84: Kasota to Burley

These projects will improve the condition of Interstate 84 in the area.

Pavement Rehab - Construction

SH-27: Burley to Paul

This project will improve the condition of State Highway 27 in the area.

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