Frequently Asked Questions

You've got questions, we've got answers!

Here are some of the most common questions we've received about this project.

General FAQs

Noise walls were not warranted in the ​analysis of the interchange, but a study ​is underway to look at expansion of I-90 ​and if it’s warranted in the corridor.


Learn more about the I-90 study.

With the planned expansion for SH-41 ​and the eventual expansion of I-90, will ​ITD build noise walls?

Temporary signals will be installed during ​construction when the westbound off-​ramp is closed for an extended period of ​time (anticipated in 2024) to handle ​extra traffic seeking alternative routes.

With traffic detoured to the half-​interchange at Seltice to the west, how ​will drivers access the freeway with the ​extra traffic? There’s no dedicated turn ​lane or signal right now.

The underpasses and overpasses for ​bicyclists and pedestrians will ​maintain connectivity, but will they ​be safe?

The design team consulted with other ​community partners like emergency services ​and law enforcement to mitigate any safety ​concerns with the construction of pedestrian ​underpasses. The underpasses will be well-lit ​and short enough to see through to maximize ​visibility and safety.

Both underpasses will be 14 feet wide and 10 ​feet tall, which makes them larger than the ​underpass to access Silverwood off US-95. ​The inside of the underpass under the I-90 ​westbound on-ramp will be visible from ​Seltice Way, and the underpass under SH-41 ​will be visible from Primrose Lane, which will ​help improve safety and ease of patrolling.


General FAQs

What is a Single-Point ​Urban Interchange ​(SPUI)?

SPUIs control traffic at one signalized ​point. By using one signal, rather than ​two signals, to control movements, the ​SPUI design is expected to increase ​capacity and decrease travel times. This ​design will achieve the efficiencies of a ​SPUI with excellent compatibility with ​future expansion.

Why will it take four seasons to reconstruct the ​interchange?

AIt is important to keep this interchange open to traffic during construction. If ITD could ​completely close the interchange, construction could occur much more quickly. This complex ​interchange construction project involves building significant infrastructure such as:

  • 1.3 miles of I-90 pavement reconstruction
  • SH-41 widening and pavement reconstruction from Seltice Way to 12th Ave
  • ½ mile of widening and pavement reconstruction of Seltice Way
  • Six permanent bridges
  • Two temporary bridges
  • Eight retaining walls
  • Two pedestrian underpasses
  • One pedestrian bridge
  • Upgrades to intersections with three traffic signals
  • One pedestrian (“hawk”) signal

Utilities, drainage, and signage improvements throughout the project limits

General FAQs

Once constructed, how will the new ​interchange affect local roads?

Modeling shows that once constructed the new interchange will be safer, more efficient ​and easier to navigate while being compatible with future expansion of SH-41 and I-90.


Access to businesses on SH-41 north of the interchange will remain the same, though a ​new median barrier will not allow left turns onto or from the highway. Access will ​continue to be provided primarily through side streets or signalized intersections to ​improve traffic flow and make it safer.


Most local roads will continue to function the same as they do now, though access to ​the freeway south of the interchange will be simplified. Ross Point Road will be restriped ​to accommodate additional street parking. Other changes to traffic control, speed limits ​and parking may take place after construction by the city as modifications are not ​supported by traffic modeling.

How will construction ​affect commuters, ​businesses, and ​bicyclist/pedestrians?

Commuters from Spokane:

  • Speed limits will be reduced, but ​other impacts will be minimal ​during commute times.

Businesses adjacent to the interchange:

  • ITD will work with businesses to ​maintain access and place ​temporary signage for ​construction.

Bicyclists/pedestrians:

  • ITD will maintain ​bicycle/pedestrian access ​through the construction zone. ​Detours will be in place whenever ​needed.