Texas CDL General Knowledge Practice Exam

When is it appropriate to use high beam headlights?

1. When driving in rural areas with no other vehicles present

2. In heavy rain

3. When following another vehicle

4. In urban settings with street lights

The correct answer is: When driving in rural areas with no other vehicles present

Using high beam headlights is appropriate when driving in rural areas with no other vehicles present because it provides increased visibility and allows the driver to see further down the road. High beams illuminate a larger area and can help detect any potential hazards, such as animals or obstacles, that may be on or near the roadway. In rural areas, where streetlights may be absent and traffic is lighter, utilizing high beams can enhance safety. However, it is essential to dim high beams when approaching or following other vehicles, as this can cause glare that distracts other drivers. Similarly, in heavy rain or urban environments with street lights, using low beams is necessary to avoid reflections and improve visibility for all road users.