Read the latest on local and regional projects affecting Northwest Austin. 1. Resurfacing Parmer Lane The Texas Department of Transportation will resurface Parmer Lane from MoPac to the I-35 southbound frontage road. The project cost is $1.5 million. Timeline: August Cost: $1.5 million Funding sources: TxDOT 2. I-35 frontage roads repaving In late July, TxDOT finished resurfacing the frontage roads of I-35 from SH 45 N to Rundberg Lane. Timeline: May-late July Cost: $4.75 million Funding sources: TxDOT 3. Street maintenance The city of Austin’s street maintenance program continues through September. Several streets in Northwest Austin will have work done, and residents in affected areas will be notified 30 days before work begins. Timeline: April-September Funding sources: city of Austin 4. North Lamar Boulevard upgrades A. Construction began in June on new sidewalks to fill in gaps along North Lamar Boulevard from US 183 to Braker Lane in North Austin. The project, which will continue through late 2018, also includes replacing existing sidewalks. Timeline: June 2017-late 2018 Cost: $1.5 million Funding sources: city of Austin, TxDOT grant B. TxDOT is upgrading and replacing railing near bridges along the roadway from Walnut Creek Metropolitan Park to Payton Gin Road. Timeline: July-fall Cost: $175,000 Funding source: TxDOT 5. MoPac toll lanes Major structural construction wrapped up in late May on the MoPac express toll lanes between Parmer Lane and Cesar Chavez Street. Throughout the summer, crews will be laying the final layer of pavement. The rest of the project could open in stages. Part of the northbound toll lane opened last October. Timeline: 2013-late summer 2017 Cost: $204 million Funding sources: various 6. Northern Walnut Creek Trail Phase 1A Construction will begin this fall on the last segment of Phase 1 that will complete the trail in Balcones District Park. A portion of the project is already under construction as part of the Waters Park Relief Main project that aims to increase wastewater capacity near the park. That work to build the trail from under MoPac to the south side of the baseball field at the park will be done this fall. Timeline: fall 2017-2018 Cost:  $847,000 Funding source: city of Austin bonds 7. Northern Walnut Creek Trail Phase 2 The city will finish the design next spring on the extended trail from Walnut Creek Metropolitan Park to I-35. The 10-foot-wide trail will be 1.8 miles long and have two trailheads at North Lamar Boulevard and Oakbrook Drive. Timeline: late 2018-fall 2019 Cost: $3.5 million-$4 million Funding sources: city of Austin Parks and Recreation Department, 2016 Mobility Bond Program, TxDOT 8. Intersection improvements The city completed safety upgrades to the intersection of North Lamar Boulevard and Parmer Lane on July 8, including new crosswalk striping, sidewalks and reconstructed right-turn islands. Last summer, the city installed a pedestrian hybrid beacon and new traffic signal. Timeline: March-July Cost: $647,000 Funding source: city of Austin