The one thing that all road users have in common is the travel environment they share: whether driving, biking, walking, or riding, we are all using the same roadway network to get where we're going. The safest road designs separate different types of users, and anticipate human error in order to prevent or mitigate a crash. Rumblestrips get the attention of drowsy or distracted drivers, footpaths and bike lanes protect pedestrians and cyclists, and surface friction treatments help keep motorcyclists from overturning. The resources included here focus on how particular road designs can specifically assist the nation's aging population, whether by improving visibility, easing traffic patterns, reducing speeds, providing clear and timely information, or any combination of these and other benefits.

Tens of thousands of lives can be saved with cost-effective, proven engineering solutions.
Roundabout and highway

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