Trapezoidal delineators make debut along Sacramento roadway. Here’s what they do

They feel like rumble strips dividing the two side of the sidewalk.

Mike TeSelle

If you find yourself bicycling, running or walking along Arden Way between Morse and Watt avenues, then you’ll encounter a first-for-the-region device aimed at making the roadway safer for all users.

They are called trapezoidal delineators.

“That’s your two words for the day,” explained Stephen White, Sacramento County Department of Transportation chief civil engineer.

What is a trapezoidal delineator and why is it part of Phase 1 of the Arden Way Complete Streets Project?

The devices are part of an extended, much wider sidewalk designed to move bicycles away from street traffic and up onto the sidewalk, instead of relying on the traditional green painted bicycle lanes.

The trapezoidal delineators are raised, yellow devices that divide the sidewalk in half.

The side closest to the road is for cyclists. The other is for pedestrians.

They feel like rumble strips dividing the two sides of the sidewalk.

“This is the first time we are using them in the county,” said White. “They really are safer and more comfortable for all users.”

White also noted that the trapezoidal delineators will be incorporated in Phase 2 of the project extending from Morse Avenue to Fulton Avenue.

However, there is currently no start date for construction on that phase.

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