But they may also cause delay for traffic on the main road, and often increase rear-end collisions by up to 50%.
Early studies involving taxicabs and other fleet vehicles found that a third, high-level stop lamp reduced rear-end collisions by about 50%.
Going on the turnpike was slower; a lot of the drivers hadn't wanted to give up, and there had been rear-end collisions in several places.
Accidents are increasingly common, many of them rear-end collisions involving distracted sightseers.
From 1995 to 2000, 48 percent of the 461 traffic accidents on Highway 179 were rear-end collisions.
Engineers say the bags would not help in a side-impact or rear-end collision, and they do not usually prevent ejection.
IN Lithuania, rear-end collisions happen much as they do in the rest of the world.
In rear-end collisions, the drivers were distracted 93 percent of the time.
Cars 3454 and 3478 had been involved in a high-speed, rear-end collision.
Almost 80 percent of crashes at intersections on the highway are rear-end collisions, officials said.