In the 1960's, the US switched to kilometers. Read about how we once tried to convert America to the metric system!

The first stop signs were yellow and we can thank trains and reflectivity for the changes that finally led to our standard red stop signs!

From printing on metal plates to digital printing with high-solvent latex inks: how did we get here? A brief history of digital printing!

While noticing a “Penna Turnpike” sign, I thought, “oh yeah, why is it called Penna?” I’ve heard “Penn” used for the university and...

House numbering is the system of giving a unique number to each building in a street or area, with the intention of making it easier to...

To combat habitat fragmentation road construction now includes wildlife crossings.

Ever wonder what those green signs with numbers on them are next to the road on the US highway? Well they actually have a purpose.

The US railroad crossbuck history and fun facts.

Fun Facts and history about the American Stop Sign.

Fun facts and history about the American one-way sign.

Interstate Signways discusses the origin of the Interstate route marker or interstate shield. Read about the history of this traffic sign.