nbc 5 investigates May 11, 2021 5:32 pm NBC 5 Investigates: What Texas Could Learn From Colder States to Prevent Blackouts They live through brutal winters, year after year. But the lights stay on. NBC 5 investigates what Texas can learn from colder states to prevent future disasters. Wake Up to Something Good 3:16 Speeds lowered on two dangerous Dallas roadways highlighted in NBC 5's Driven to Death series 4:19 Driven to Death: Lowering speed limits in Dallas 3:06 Dallas City Council votes to lower speed limit on US 75 Central Expressway 7:03 Loop 12 in Dallas has highest traffic deaths in city so far 2:37 Crash that left teen dead happened on deadly stretch of Dallas road