January 31, 2007 3:00 AM

Curb ramps liberate Americans with disabilities—and everyone else

The barricades that quadriplegic Ed Roberts and his comrades stormed 40 years ago were a few inches high. Yet today millions of Americans pass daily through the breaches they created. Curb cuts, the breaches are called. Or curb ramps. Since 1990, the Americans with Disabilities Act has required them on new construction, renovations and wherever a city does major street or sidewalk work. All this curb-ramp building has helped the United States lead the world when it comes to providing public access for people with disabilities.

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