7 transportation project updates Northwest Austin residents should know in March

Crews are working on finishing the caps for the structures that will support a new flyover at I-35 and US 183.

Crews are working on finishing the caps for the structures that will support a new flyover at I-35 and US 183.

As the weather warms up, here are the projects that will be taking shape this year in the Northwest Austin area.



Downtown MetroRail station

Construction begins in April on a permanent downtown MetroRail station. Work includes expanding the station on Fourth Street adjacent to the Austin Convention Center to three tracks. Other work includes constructing a new bridge over Waller Creek, adding a public plaza and adding five canopies over the new platform.
Timeline: April 2019-early 2021
Cost: $30.72 million
Funding sources: Capital Metro,
city of Austin, Texas Department of Transportation





MoPac construction

The toll lane project was expected to receive final completion in March. Although the toll lanes opened in October 2017, work remained on the sound walls, shared-use path and various other work. Crews have finished the main project, and a supplemental contract for a section of sound walls and the path will be finished in July.
Timeline: late 2013-mid-2019
Cost: $233 million
Funding sources: various






I-35 and US 183 projects

Work on the northwest corner of I-35 and US 183 is progressing with crews having finished six columns and pouring the caps on the columns to support the bridge beams. These bridge beams will eventually hold the new flyover from southbound I-35 to northbound US 183. The project includes three new flyovers.
Timeline: January 2018-mid-2021
Cost: $124 million
Funding source: TxDOT






Safety improvements at I-35 and Braker Lane

The city of Austin began construction in mid-January on safety improvements that include adding a raised median on Braker west of I-35 to manage turn movements, extending the left turn-lane for vehicles turning onto the northbound I-35 frontage road, and adding new sidewalks and high-visibility crosswalks.
Timeline: January-summer
Cost: $1.23 million
Funding source: 2016 Mobility Bond






I-35 at Parmer Lane

TxDOT will add a diverging diamond interchange, in which vehicles cross over to the opposite side of the road to facilitate more efficient turning movements. TxDOT will seek bids for construction in April. The project also includes adding turn lanes at the intersection of Parmer and North Lamar Boulevard.
Timeline: summer 2019-mid-2021
Cost: $32.5 million
Funding source: TxDOT






Anderson Mill Road improvements
The city finished 90 percent of the final design plans for improvements between Spicewood Parkway and US 183 at the end of February. After completing the final design, the city will begin the permitting process, which will take about a year.
Timeline: 2020-21 (construction)
Cost: $7.26 million
Funding sources: city bonds, funds






Loop 360 improvements

TxDOT hosted a public workshop March 7 to discuss plans for a diverging diamond intersection at RM 2222 and an underpass at Courtyard Drive. TxDOT is processing comments from the November open house meeting on the Spicewood Springs Road intersection and will make any changes it can based on feedback.
Timeline: 2022 (construction begins)
Cost: $250 million
Funding sources: city of Austin, TxDOT


By Amy Denney

Managing Editor, Austin metro

Amy has worked for Community Impact Newspaper since September 2010, serving as reporter and later senior editor for the Northwest Austin edition as well as covering transportation in the Austin metro. She is now managing editor for the 10 publications in the Central Texas area from Georgetown to New Braunfels.



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