Speed Tables: More than Just Traffic Calming Devices from Jodi Brown's blog

In urban settings where rapid vehicular movements can pose a threat to pedestrian safety, traffic calming measures become essential. One such measure that has been growing in popularity due to its efficiency and effectiveness is the "speed table". Although seemingly simple in design, speed tables have proven to be game-changers in many neighborhoods, schools, and commercial areas.

What Are Speed Tables?

At first glance, speed tables may appear to be an extended version of speed bumps. However, a closer inspection reveals their unique design and purpose. A speed table is essentially a raised section of the roadway, spanning the width of the traffic lane. Unlike the abrupt elevation of a typical speed bump, speed tables have a flat top (usually several meters long) and gradual ramps on both sides. This design ensures that vehicles reduce speed, while still providing a relatively comfortable drive over them.

Benefits of Speed Tables

Pedestrian Safety: The primary purpose of speed tables is to reduce vehicle speeds in areas of pedestrian activity. The raised platform acts as a visual and physical cue, urging drivers to slow down. The extended flat top further ensures that vehicles maintain reduced speeds over a longer distance.

Enhanced Visibility: Due to their elevated nature, speed tables serve as a prominent visual cue. This not only alerts drivers but also enhances the visibility of pedestrians attempting to cross the road.

Versatility: Speed tables can be used in a variety of settings, from residential neighborhoods to school zones, and from parking lots to commercial areas.

Reduced Noise Pollution: By curbing high-speed driving, speed tables also play a role in decreasing noise pollution in neighborhoods. Vehicles driving at lower speeds generally produce less noise than those zipping by at higher speeds.

Durability and Low Maintenance: Once installed, speed tables require minimal maintenance, making them a cost-effective solution for long-term traffic calming.

Considerations When Installing Speed Tables

While speed tables come with numerous advantages, it’s vital to consider certain factors when planning their installation:

Placement: Speed tables should be strategically placed where they'll have the most impact. This includes areas with frequent pedestrian crossings or locations with a history of speeding.

Signage: Adequate signage should be placed before the speed table to warn drivers in advance. This ensures that the sudden elevation doesn't catch drivers off-guard, potentially causing accidents.

Design: The design of a speed table should be in sync with the specific needs of the area. For instance, in places with heavier vehicles or buses, the ramps need to be more gradual.

Drainage: One potential downside of speed tables is that they can interfere with road drainage. Proper design ensures that water runoff is directed appropriately, preventing pooling or flooding.

In an era where urban areas are becoming increasingly congested, the importance of traffic calming measures like speed tables cannot be overstated. These tools play a crucial role in ensuring that streets are safe for everyone, from drivers to pedestrians. By promoting reduced speeds and enhancing visibility, speed tables have carved a niche for themselves as one of the most effective traffic calming solutions. Whether you're a city planner, a community activist, or just a concerned citizen, advocating for the use of speed tables can make a difference in improving the safety and quality of life in our urban landscapes.

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