The crash in the intersection at 15th and Lavaca Street knocked out the main control box for the signal lights.
Hayden Michael Hammer, 18, has been arrested and charged with racing on a highway causing death.
All lanes of i-35 are back open after the crash that closed most of the main lanes for hours.
The fires are along the southbound portion of the interstate from Tech Ridge Boulevard to Braker Lane.
The downed power line has all northbound lanes closed at SE Inner Loop.
The 31-year-old woman who was driving remains in critical condition in the hospital as of late Tuesday night.
This story will be updated with the latest information as it comes into the newsroom.
Passengers are encouraged to check their airlines’ websites for information on refunds and waivers.
KXAN will update this as information becomes available.
Crews will start pretreating activities on Interstate 35, then move on to other major highways in the region.
DPS says the driver was not wearing a seatbelt.
A portion of the State Highway 130 toll has one of the fastest posted speed limits in the United States, topping at 85 mph.
The female driver of the SUV was taken to the hospital in critical condition.
The crash happened around 5 p.m. on State Highway 21 near Farm to Market 535 in the Cedar Creek area.
Both Ashley Martinez and her passenger, Eloy Herrera, were killed.
Austin Water is repairing a water valve that runs underneath North Lamar Boulevard.
UT West Mall Station will be closed to CapMetro passengers.
Authorities believe ice was a factor in the collision
CTRMA will raise rates on 183A, 71, and 290.
Traffic along US 290 was backed up during the power outage.