The most recent fire this past week on US 67 caused no injuries. Vehicle fires don't always end so well. According to recent findings, there were an estimated 212,500 vehicle fires in 2018 in the US. These fires caused 560 deaths, 1500 injuries, and 1.9 billion in direct property damage.
In Texas, reduced speed limits become the law when drivers reach these signs and remain the maximum legal speed limit until the next sign posting a higher speed limit. This is regardless of whether workers, orange barrels, or any sign of construction are visible.