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Navigation apps like Google Maps are indispensable for modern drivers. They guide us through traffic, suggest shortcuts, and promise t...

Every driver has experienced a confusing or dangerous intersection — lanes that don’t line up, signals that don’t make sense, or blind corn...

Streetmix is a powerful online tool that allows anyone—from city planners to concerned residents—to create street cross-section diagra...

Intersections are where most serious traffic conflicts happen. According to the Federal Highway Administration, over 50% of injury crashes ...