Since 1991, truncated domes have become a commonplace sight across the United States. Today, detectable warning tiles are found not only in public transportation facilities, but also at the interface between public walkways and hazardous roadways and at the transition between level walking surfaces and sidewalk curb ramps. These color-contrasting tiles have not only changed [...]The post How Detectable Warning Tiles Have Changed American Roadways appeared first on Truncated Dome Product blog | ADA Solutions .