Ключевые слова: 50 km, advisory speed, caution on curves, curves ahead, curvy road caution, elevated road sign, h limit, hillside driving, limiting speed, mountain highway, mountain pass, mountain road, mountain road alert, mountain route safety, mountainous drive, mountainous journey, mountainous landscape, mountainous route, mountainous terrain, road safety, road safety measure, road sign 50, road symbol, roadside caution, roadside information, roadside warning, round speed sign, safe driving, safe mountain driving, safety guidelines, speed advisory, speed control, speed limit 50, speed limit alert, speed limit information, speed limit sign, speed regulation, speed restriction, speed signage, traffic control, traffic guidance, traffic rule, traffic sign, warning for motorists, warning sign,