I-10 Broadway Curve Improvement Project

ADOT Receives National Transportation Award for Major Project

ADOT Receives National Transportation Award for Major Project

ADOT Receives National Transportation Award for Major Project

September 14, 2023

Transportation Research Board awards public involvement effort on I-10 Broadway Curve Improvement Project

PHOENIX – An Arizona Department of Transportation project that stretches for eleven miles in both directions through the busiest section of Interstate 10 in the Phoenix area has received a national award.

The Transportation Research Board (TRB) named ADOT’s I-10 Broadway Curve Improvement Project Ready to Rubble event as the winner of its 17th annual competition call for the “Communicating Concepts with the Public” category. The TRB provides national leadership in transportation improvements and innovation. Its annual “Communicating Concepts with the Public” award recognizes fresh and creative methods for communicating technical transportation issues with the public.

The I-10 Broadway Curve Improvement Project’s Ready to Rubble event took place in April of 2023 and consisted of preparing the community for a full weekend closure of I-10 in both directions so that crews could take down three bridges over the freeway. The event also focused on the following goals; educating the public about the bridge removal process; engaging the public and project stakeholders in the project process and establishing ADOT as the state’s premier engineering firm.

ADOT Project Manager, Amy Ritz says, “We are honored and excited that our project team is receiving this prestigious award. The reconstruction of I-10 in the Broadway Curve area impacts thousands of people who drive through the project area every day. The project team has been intentional and innovative when it comes to involving and informing the public about the project and major milestones. The Ready To Rubble event is just one great example of this work.”

The event involved providing on-site tours during the bridge removal for community stakeholders and engineering students; inviting members of the media to see the construction activity; and providing a virtual experience for the public by posting images and video on social media throughout the bridge removal process.

ADOT Community Outreach Project Manager, Marcy McMacken adds, “The Ready to Rubble event allowed us to literally take stakeholders, students, media and members of the public behind the barricades and to give them an opportunity to participate in the construction process in a way that was unique and memorable. We are grateful to the TRB for recognizing the impact of this effort.”

More on the I-10 Broadway Curve Improvement Project Ready to Rubble event can be found here.

ADOT and project team members will be recognized at the Transportation Research Board’s 17th annual meeting that takes place in early 2024 in Washington D.C.

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Southbound SR 143 to close between Loop 202 (Red Mountain Freeway) and I-10 (Aug. 25-28)

Southbound SR 143 to close between Loop 202 (Red Mountain Freeway) and I-10 (Aug. 25-28)

Southbound SR 143 to close between Loop 202 (Red Mountain Freeway) and I-10 (Aug. 25-28)

August 22, 2023

Drivers should expect delays and plan for detours

PHOENIX – The Arizona Department of Transportation is advising motorists to plan ahead and expect delays as southbound State Route 143 will be closed between Loop 202 (Red Mountain Freeway) and Interstate 10 from 10 p.m. Friday, Aug. 25, to 4 a.m. Monday, Aug. 28, for overhead sign removal and a traffic shift. At the same time, the following ramps will be closed:

The ramps from Loop 202 (Red Mountain Freeway) to southbound SR 143
The westbound Loop 202 (Red Mountain Freeway) off-ramp at Sky Harbor Boulevard
The southbound SR 143 on-ramps at Washington Street, Sky Harbor Boulevard.

Southbound SR 143 detour for westbound Loop 202 drivers: Use westbound Loop 202 (Red Mountain Freeway) to eastbound I-10 to access destinations south of the closure.

Southbound SR 143 detour for eastbound Loop 202 drivers: Use eastbound Loop 202 (Red Mountain Freeway) to southbound Loop 101 (Price Freeway) to westbound US 60 to access destinations south of the closure.

East Valley airport access: From Loop 202 (Red Mountain Freeway), use southbound 44th Street.

Note: Several other ramp and lane closures are also scheduled for this weekend. For information about additional weekend restrictions and closures, visit www.i10broadwaycurve.com.

Please note: Schedules can quickly change because of weather and other unforeseen situations. For the most up-to-date information, we encourage you to download the Interstate 10 Broadway Curve Improvement Project’s free mobile app, TheCurve or visit the Alerts section of the project website before you travel.

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The I-10 Broadway Curve Improvement Project is identified in the Maricopa Association of Governments’ Regional Transportation Plan, funded by a half-cent sales tax approved by Maricopa County voters in 2004 through Proposition 400. MAG identified the need for this project to reduce travel times on I-10 during peak hours; improve airport access; support ridesharing and transit; and prepare the region for future growth projections. Learn more about the major improvements here.

Westbound Interstate 10 to close between Loop 202 (Santan/South Mountain Freeway) and US 60 (Aug. 25-28) Drivers should plan ahead and expect delays

Westbound Interstate 10 to close between Loop 202 (Santan/South Mountain Freeway) and US 60 (Aug. 25-28) Drivers should plan ahead and expect delays

Westbound Interstate 10 to close between Loop 202 (Santan/South Mountain Freeway) and US 60 (Aug. 25-28) Drivers should plan ahead and expect delays

August 22, 2023

Drivers should plan ahead and expect delays

PHOENIX – The Arizona Department of Transportation is advising motorists to plan ahead and expect to use detours as westbound Interstate-10 will be closed between Loop 202 (Santan/South Mountain Freeway) and US 60 from 10 p.m. Friday, Aug. 25 to 4 a.m. Monday, Aug. 28 for a traffic shift. At the same time, the following ramps will be closed:

The westbound I-10 on-ramps at Wild Horse Pass Boulevard/Sundust Road, Chandler Boulevard, and Ray, Warner, Elliot and Baseline roads
The westbound Loop 202 (Santan Freeway) ramps to westbound I-10
The eastbound Loop 202 (South Mountain Freeway) ramp to westbound I-10

Westbound I-10 Detour: Use eastbound Loop 202 (Santan Freeway) to northbound Loop 101 (Price Freeway) to westbound US 60 or westbound Loop 202 (Red Mountain Freeway) to access westbound I-10 beyond the closure.

Drivers heading to the West Valley can bypass the closure by using the Loop 202 (South Mountain Freeway) west and north to connect with I-10 at 59th Ave.

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Westbound I-10 to close between US 60 and State Route 143

Westbound I-10 to close between US 60 and State Route 143

Westbound I-10 to close between US 60 and State Route 143

June 8, 2023

Drivers should expect to use detours and plan ahead

PHOENIX - The Arizona Department of Transportation is advising motorists to plan ahead and expect delays as westbound Interstate 10 is closed between US 60 and State Route 143 from 10 p.m. Friday, June 9 to 4 a.m. Monday, June 12 for bridge work, overhead sign removal and a traffic shift. During this closure, the following ramps will be closed.

The ramps from westbound US 60 to westbound I-10.
The westbound I-10 on-ramps at Elliot, Baseline and Broadway Roads.
The westbound US 60 on-ramps at McClintock Drive, Rural Road and Mill Avenue.

Detour: Use eastbound Loop 202 (Santan Freeway) or eastbound US 60 to northbound Loop 101 (Price Freeway) to westbound Loop 202 (Red Mountain Freeway) to access westbound I-10.

Drivers heading to the West Valley can bypass the work zone by using Loop 202 (South Mountain Freeway) west and north to connect with I-10 at 59th Avenue.

Motorists traveling westbound on I-10 and US 60 heading to Phoenix Sky Harbor International Airport should use northbound Loop 101 (Price Freeway) to westbound Loop 202 (Red Mountain Freeway) and use the Sky Harbor Boulevard entrance from Loop 202.

Please note: Schedules can quickly change because of weather and other unforeseen situations. For the most up-to-date information, we encourage you to download the Interstate 10 Broadway Curve Improvement Project’s free mobile app, The Curve or visit the Alerts section of the project website before you travel.

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Westbound I-10 to close between US 60 and 32nd Street (June 2-5)

Westbound I-10 to close between US 60 and 32nd Street (June 2-5)

Westbound I-10 to close between US 60 and 32nd Street (June 2-5)

May 31, 2023

Plan ahead and expect to use detours

PHOENIX –The Arizona Department of Transportation is advising motorists to expect delays and plan ahead as westbound Interstate 10 is closed between US 60 and 32nd Street from 10 p.m. Friday, June 2, to 4 a.m. Monday, June 5. Crews with the Interstate 10 Broadway Curve Improvement Project will be conducting a traffic shift and bridge work.

The following ramps will also be closed.

The ramps from westbound US 60 to westbound I-10.
The ramp from southbound SR 143 to westbound I-10.
The westbound I-10 on-ramps at Elliot, Baseline, and Broadway roads and 40th Street.
The westbound US 60 on-ramps at McClintock Drive, Rural Road and Mill Avenue.

Detour: Use eastbound Loop 202 (Santan Freeway) or eastbound US 60 to northbound Loop 101 (Price Freeway) to westbound Loop 202 (Red Mountain Freeway) to access westbound I-10.

West Valley drivers can bypass the work zone by using Loop 202 (South Mountain Freeway) west and north to connect with I-10 at 59th Avenue.

Motorists traveling westbound on I-10 and US 60 heading to Phoenix Sky Harbor International Airport should head northbound on Loop 101 (Price Freeway) to westbound Loop 202 (Red Mountain Freeway) and use the Sky Harbor Boulevard entrance from Loop 202.

New westbound US 60 to westbound I-10 ramp to open on Monday, June 5: Drivers will begin using the new westbound US 60 ramp to westbound I-10 when westbound I-10 reopens on Monday, June 5. The existing bridge will be permanently closed and eventually removed.

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Ramping up knowledge of ramp closures

Ramping up knowledge of ramp closures

Ramping up knowledge of ramp closures

By the Broadway Curve Project Team

January 26, 2023

We’re all used to freeway projects that require full closures in one or both directions. But unless you’re a traffic engineer, you probably haven’t thought about how these closures impact nearby exit and entrance ramps, and the local streets they lead to and from. During closures for work on the I-10 Broadway Curve Improvement Project, freeway off- and on-ramps on the detour routes are also sometimes closed, and for good reason.

For example, the Arizona Department of Transportation, in cooperation with the city of Tempe, might close the eastbound US 60 Mill Avenue off-ramp when eastbound I-10 is closed for work south of US 60. We’ve received a lot of questions about this; why close a US 60 off-ramp when it’s I-10 that is closed?

US 60 (along with the Loops 101 and 202) is a commonly used detour route for the project. ADOT is using these highways as detour routes instead of local roads and streets, which are not designed or constructed to handle high volumes of interstate traffic.

Traffic-flow problems (in simpler terms, traffic jams) can occur when drivers on US 60 “self-detour” onto Mill Avenue to try and rejoin I-10. Mill Avenue simply cannot handle this amount of traffic and it backs up … sometimes all the way down the exit ramp, and on to the US 60. Adding to the problem, Mill Avenue south of US 60 ends near Baseline Road, so drivers often find themselves going in circles along surface streets. The solution? Closing the Mill Avenue off-ramp to prevent the heavy congestion and backups and to keep drivers on the US 60 detour route.

If Mill Avenue is your destination, your best bet is to continue east on US 60 to Rural Road or McClintock Drive, which can handle higher volumes of traffic better, and then backtrack.

Another scenario drivers sometimes question is why some freeway on-ramps are closed, even a few miles before a freeway closure. When these on-ramp closures occur, it’s because ADOT doesn’t want to “feed” the closure - that is, allow more drivers onto a freeway when everyone else is trying to get off of it and onto the detour route. Think of it as trying to pour water into a bottle that is almost full. Once the bottle tops off there isn’t anywhere for the rest of the water to go. The same scenario applies to freeways too, bringing traffic to a standstill.

These are just a couple of examples that illustrate how our state highway system and local streets make up a complex transportation network. The decisions about what ramps or roadways can stay open and which ones need to close are carefully made to keep everyone moving as safely and efficiently as possible to where they need to be.

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Westbound I-10 closed between US 60 and State Route 143 (Oct. 14-17)

Westbound I-10 closed between US 60 and State Route 143 (Oct. 14-17)

Westbound I-10 closed between US 60 and State Route 143 (Oct. 14-17)

October 12, 2022

PHOENIX- The Arizona Department of Transportation advises motorists to plan for delays and detours if they plan to travel in the Southeast Valley this weekend, as crews with the Interstate 10 Broadway Curve Improvement Project continue bridge work at 48th Street.

Westbound I-10 will be closed between US 60 and State Route 143 from 10 p.m. Friday, Oct. 14, to 4 a.m. Monday, Oct 17. The following ramps will also be closed:

The ramps to westbound I-10 from westbound US 60.
The westbound I-10 on-ramps at Elliot, Baseline and Broadway roads.
The westbound US 60 on-ramps at McClintock Drive, Rural Road and Mill Avenue.

Detour: Eastbound US 60 to northbound Loop 101 (Price Freeway) to westbound Loop 202 (Red Mountain Freeway) to access westbound I-10.

Motorists traveling to Phoenix Sky Harbor International Airport on westbound I-10 or US 60 should use the Sky Harbor Boulevard entrance from Loop 202 (Red Mountain Freeway).

Southbound State Route 143/48th Street will also be closed at I-10, and the following ramps will be closed:

The southbound SR 143 on-ramp at University Drive.
The southbound SR 143 loop ramp to eastbound I-10.

The southbound SR 143 ramp to westbound I-10 will remain open.

Detour: Exit southbound SR 143 to westbound I-10, travel west to 40th Street, then use the southbound 40th Street on-ramp to eastbound I-10.

Eastbound I-10 will be narrowed to two lanes between 48th Street and Broadway Road from 10 p.m. Friday, Oct. 14 to 4 a.m. Monday, Oct. 17.

While the closures and restrictions are in place, crews will pour the deck for the new 48th Street bridge over westbound I-10.

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Cross that bridge when you come to it

Cross that bridge when you come to it

Cross that bridge when you come to it

By the Broadway Curve Project Team

October 11, 2022

In baseball, a walk is an easy way for a player to get on base with no interference.

You could say the same for baseball fans who will be among those who use the future multiuse bridge at Alameda Drive to easily access Tempe Diablo Stadium, as well as commuters and recreational users who want to walk, run or ride bicycles safely over Interstate 10.

Construction is underway on the new bridge, which will connect both ends of Alameda Drive on both sides of I-10. The Arizona Department of Transportation is delivering the bridge as part of the Interstate 10 Broadway Curve Improvement Project. It will integrate with the city of Tempe’s Alameda Drive Bicycle & Pedestrian Streetscape Project, which begins at 48th Street at the Tempe/Phoenix border and runs for three miles to Rural Road in Tempe. The streetscape project is one part of Tempe’s goal of enhancing alternative forms of transportation.

“Tempe has the largest bicycling population in the state and there are people who commute through Tempe to Phoenix and vice versa, so we know there are people who want to be able to travel safely to and from their workplace,” said Bonnie Richardson, an architect and urban planner with the city of Tempe.

The bridge’s Alameda Drive alignment was chosen in part because it has less traffic and has major employers on both sides of the freeway in Tempe and Phoenix.

“We want to make connections easy throughout the region, not just stopping at Tempe’s border,“ Richardson said.

Then there’s Tempe Diablo Stadium. Once completed, the bridge will make for an easy walk or ride to and from the stadium for fans on the east side of I-10, who will no longer have to drive to the west side, where traffic can back up before and after spring training games.

Average attendance at Tempe Diablo Stadium for spring training games is between 6,000 and 7,000 fans, according to stadium manager Jerry Hall. “We’re hoping more people will ride bikes or walk to the stadium to help with traffic flow,” he said. “This should save people a lot of time getting in and out of the stadium during spring training games and other events.”

One of the unique features of the bridge at Alameda Drive is its extended width. Generally, multiuse bridges are 10 feet wide, but the bridge at Alameda Drive will be 14 feet wide. The extra four feet will better accommodate foot and bicycle traffic going to or leaving the stadium at the same time.

The multiuse bridge will span 389 feet over I-10. Access on and off the bridge will be exclusively via ramps on both ends and accessible per the Americans with Disabilities Act.

LED lighting will be installed on and approaching the bridge, and the fence will have 12-foot metal fencing.

Construction has also started on a second multiuse bridge at Western Canal south of US 60. This bridge will provide safe access for pedestrians, runners and bicyclists to and from the Western Canal recreational path on both sides of I-10.

Both of the new multiuse bridges are included in the I-10 Broadway Curve Improvement Project, ADOT’s largest urban freeway reconstruction project to date. They fulfill one of the project’s goals of enhancing pedestrian and bicycle connectivity and reducing pressure on local roads. Both bridges are scheduled for completion in 2023. Although construction of the bridges should be complete before the rest of the I-10 Broadway Curve Improvement Project, the area will still be an active work zone. ADOT will announce when the bridges will open to the public.

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Eastbound I-10 closed between US 60 and Loop 202 (Santan/South Mountain Freeway this weekend (Sept. 23-26)

Eastbound I-10 closed between US 60 and Loop 202 (Santan/South Mountain Freeway this weekend (Sept. 23-26)

Eastbound I-10 closed between US 60 and Loop 202 (Santan/South Mountain Freeway this weekend (Sept. 23-26)

September 20, 2022

PHOENIX - The Arizona Department of Transportation is advising motorists to plan ahead, expect delays and allow extra travel time if they travel on Interstate 10 in the Southeast Valley this weekend.

Eastbound I-10 will be closed between US 60 and Loop 202 (Santan/South Mountain Freeway) from 10 p.m. Friday, Sept. 23, to 4 a.m. Monday, September 26, as crews with the Interstate 10 Broadway Curve Improvement Project continue paving work for the eastbound I-10 travel lanes between Baseline and Ray roads, including the new eastbound lane south of Baseline Road.

Paving of the eastbound I-10 travel lanes began last weekend and crews will pave an additional two-mile section of the travel lanes this weekend. Each section of the new travel lane is opening as crews complete paving work. The entire section south of Baseline Road is scheduled to open in October.

During this closure, the following ramps will be closed:

The westbound US 60 ramp to eastbound I-10.
The HOV ramps in both directions that connect I-10 and US 60.
The eastbound I-10 on-ramps at northbound 40th Street and Broadway, Baseline, Elliot, Warner and Ray roads.
The eastbound US 60 on- and off-ramps at Mill Avenue.

Drivers on southbound State Route 143, heading to eastbound I-10, will be routed through the closure detour on US 60.

Detour: Use eastbound Loop 202 (Red Mountain Freeway) or eastbound US 60 to southbound Loop 101 (Price Freeway) to westbound Loop 202 (Santan Freeway) to access eastbound I-10 beyond the closure.

West Valley drivers can bypass the closure by accessing the Loop 202 (South Mountain Freeway) at I-10 and 59th Avenue, then traveling south and east to connect with I-10 south of Chandler Boulevard.

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Eastbound Interstate 10 closed between SR 51 and US 60 (Aug. 19-22)

Eastbound Interstate 10 closed between SR 51 and US 60 (Aug. 19-22)

Eastbound Interstate 10 closed between SR 51 and US 60 (Aug. 19-22)

August 17, 2022

PHOENIX –The Arizona Department of Transportation advises motorists to allow extra travel time and plan to use detours if they are traveling on Interstate 10 in the East Valley and near Phoenix Sky Harbor International Airport this weekend. Eastbound I-10 will be closed between State Route 51 and US 60 from 10 p.m. Friday, Aug. 19, to 4 a.m. Monday, Aug. 22, as crews continue bridge work as part of the Interstate 10 Broadway Curve Improvement Project.

During this closure, the following ramps will be closed:

Eastbound I-10 on-ramps at Third Street, Seventh and Jefferson streets, Buckeye Road, 24th, 32nd and 40th streets.
The ramp from southbound SR 143 to eastbound I-10.
The southbound I-17 on-ramps at Seventh Avenue and Seventh Street.
The ramp from southbound I-17 to eastbound I-10.
The westbound Loop 202 (Red Mountain Freeway) ramp to eastbound I-10.
The southbound SR 51 on-ramp at McDowell Road.
The ramps from southbound SR 51 to eastbound I-10.
The high-occupancy vehicle (HOV) ramp from eastbound I-10 to eastbound Loop 202 (Red Mountain Freeway).

Detour: Use eastbound Loop 202 (Red Mountain Freeway) to southbound Loop 101 (Price Freeway) to westbound US 60 or Loop 202 (Santan Freeway) to access eastbound I-10 beyond the closure. Drivers traveling on southbound I-17 can use westbound I-10 to eastbound Loop 202 (Red Mountain Freeway).

West Valley drivers heading to the Southeast Valley can bypass the closure by using the Loop 202 (South Mountain Freeway). From I-10 and 59th Avenue, travel south and east to connect with I-10 south of Chandler Boulevard.

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