What is the Difference Between Reverse Curves and Continuous Curves?

1 Answers
MacChristopher
07/29/25 10:16am
Reverse curves and continuous curves differ in meaning, signage, and location. Different meanings: A reverse curve involves a sharp left turn followed by a sharp right turn, or vice versa, forming an "S"-shaped curve. The reverse curve traffic warning sign alerts drivers to slow down, with a safe driving speed not exceeding 60 km/h. A continuous curve consists of multiple consecutive left and right turns, such as right-left-right-left, essentially comprising multiple reverse curves. Different signs: The reverse curve is represented by a tilted "N" pattern, while the continuous curve is depicted by two connected tilted "N" patterns. Different locations: The reverse curve traffic warning sign is placed at an appropriate distance before two adjacent curves with opposite directions. The continuous curve traffic warning sign is positioned before a road with three or more consecutive curves. Reverse curve and continuous curve signs are commonly found on mountain roads, reminding drivers to slow down and be cautious of oncoming traffic. Improper driving or excessive speed can lead to severe consequences, including fatal accidents. Tips for driving on mountain curves: When encountering reverse curve or continuous curve signs, overtaking is prohibited. Drivers may honk appropriately to alert oncoming vehicles. Mountain curves often come with uphill or downhill sections. Maintain a safe distance. Use lower gears when climbing to leverage engine torque for better uphill performance. Similarly, use lower gears when descending to control speed via engine braking, as frequent braking can overheat and fail the braking system, potentially causing brake failure.
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