NTMP - Two-Lane Narrow Point

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The City of Olympia has four type of approved traffic-calming devices. One includes the Two-Lane Narrow Point. The other devices available include 14-Foot Speed Cushion, Bulb-Out, and One-Lane Narrow Point.

Overview for Two-Lane Narrow Point:

Two-lane narrow points are traffic-calming devices with raised center medians which create a visual affect that makes the street more visually restrictive. Unlike a one-lane narrow point, the two-lane narrow point accommodates two-way traffic. The landscaping is maintained by adjacent property owners or neighborhood association.

This device works well as an entrance treatment to a neighborhood to inform drivers they are transitioning from a higher-speed roadway to a low-speed, pedestrian-oriented area. Note, device can be installed with vegetation.

Advantages & Disadvantages:

• Advantages: Works well in combination with other devices. Works well on emergency services main response routes.
• Disadvantages: Need to accommodate for drainage. Increased street maintenance.

Examples of Two-Lane Narrow Points:

Northwest Olympia

• Bush Avenue, NW, and Birch Street, NW

Southeast Olympia

• 18th Avenue, SE, and Boulevard Road, SE
• Eskridge Boulevard, SE, and Henderson Boulevard, SE

Southwest Olympia

• 9th Avenue, SW, and Plymouth Street, SW