I f you've driven behind certain semi-trucks on the highway, you might've noticed that the rear door of the truck's trailer has a distinctive, diamond-shaped pattern covering it. This pattern ...

A weaving, diamond-shaped pattern, the interchange briefly sends drivers on the opposite side of the road to allow for safer and easier left-hand turns to and from I-95. Show Caption.

While the diamond-shaped pattern is a definite sign of this disease, it is important to know that it does not always appear. "The disease can take many forms," Savitske said.

Western diamondbacks normally have diamond-shaped patterns on their bodies, but Rattlesnake Solutions said leopard-like pattern is "weird." "In the many thousands of diamondbacks we've seen over ...

That quilted pattern spotted on the rear doors of some semi-truck trailers may look good, but it also has a larger purpose. Here's the explanation.

The weaving, diamond-shaped pattern briefly sends drivers to the opposite side of the road to allow for safer and easier left-hand turns to and from I-95.

While the diamond-shaped pattern is a definite sign of this disease, it is important to know that it does not always appear. “The disease can take many forms,” Savitske said.