20190522_rr_84st

Adaptive technology will be added to lights along 84th Street, which will adjust light intervals based on traffic demand.

Motorists on 84th Street may notice a smoother commute later this year or early next year.

The cities of Omaha, Ralston, La Vista and Papillion, along with the Nebraska Department of Transportation, are adding Adaptive Signal Control Technology to traffic signals on 84th Street between West Center Road in Omaha and Lincoln Street in Papillion. The technology will adjust the intervals of lights based on traffic demand.

Omaha will be the lead agency and operate the software. Bryan Guy, Omaha’s assistant city traffic engineer, said construction of the new equipment is underway and should be done this summer and the software will be installed by the end of the year.

Guy said the technology will help Omaha maximize its traffic system. The 84th Street corridor will be the second in the city’s system to have the adaptive technology, after Dodge Street between 69th and 93rd streets.

“It’s hard to say how much drivers will notice it,” he said. “The goal is to make your commute a little smoother, even if you save a few seconds.”

The new system will also include visual and safety changes like flashing yellow turn arrows, which have been installed in areas of 72nd Street, Q Street and L Street. ACST will work best when set traffic interval plans don’t fit a situation, Guy said, such as around a construction zone or when a vehicle stalls.

“Regular plans weren’t designed for those types of things,” he said.

The project will cost $3.9 million, the majority of which will be paid for by federal Highway Safety Improvement Program funds, according to a memorandum of understanding between the five entities. The remaining 10 percent will come from local matches: Omaha for $132,534, NDOT for $102,876, Ralston for $33,009, La Vista for $57,939 and Papillion for $63,220.

Each of the cities will also be responsible for paying their share of operational costs after NDOT relinquishes the Highway 85 designation of the stretch between L Street and Highway 370. Those costs will be $1,000 per intersection. Ralston’s share of operational costs will be $3,500, La Vista’s will be $6,000 and Papillion’s will be $7,000.

NDOT is planning negotiations with Papillion, Ralston and Omaha that will relinquish control of the corridor to those respective cities. NDOT has already relinquished control of the La Vista portion of the corridor.

Ralston wanted to add a left turn phase at Q Street to make it easier to get drivers into downtown, but one will not be added, according to a letter from Guy to Ralston Public Works Director Dan Freshman and the city.

Papillion and La Vista do not have any special requests. La Vista approved the memorandum at its April 16 council meeting and Ralston and Papillion followed suit during their May 7 meetings.

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