What type of lines indicate that two-way traffic is flowing in opposite directions?

Two-way traffic flowing in opposite directions is indicated by yellow center lines. These lines are typically used to separate lanes of traffic moving in opposing directions, serving as a visual cue for drivers to maintain safe distances and adhere to traffic rules.

Yellow lines provide vital information for drivers, suggesting that overtaking or crossing into oncoming traffic is generally prohibited, ensuring a safer roadway environment. The presence of yellow lines helps manage the flow of traffic and enhances safety by preventing head-on collisions.

In contrast, white center lines indicate traffic lanes moving in the same direction, and red lines signal restrictions or hazards. Green lines are often used for bike lanes or specific traffic designations but do not indicate two-way traffic. This context reinforces the significance of yellow lines as the standard marking for opposing lanes on roadways.