Signals

Blogs/News articles tagged as Signals

June 15, 2024 | Blog Articles
By Julian Lopez/ADOT Communications 

If you want to know way too much about traffic signals, you’ve come to the right place.

We’re about to go behind the scenes when an interchange signal system goes into “flash mode” – that’s traffic industry lingo for flashing red lights.

May 28, 2024 | Blog Articles
By Steve Elliott / ADOT Communications
Quite a few of us were pleased to see a letter to the editor in Sunday’s Arizona Daily Sun in Flagstaff praising an improvement that started when someone reached out to ADOT Constituent Services.
July 6, 2023 | News/Press Release
Goal is improving traffic flow on SR 87 and SR 260 by reducing stops at red lights
ADOT has upgraded traffic signal technology and timing on SR 87 and SR 260 in Payson to improve travel for residents, visitors and those passing through town. Engineers also used this technology to create new signal timing plans for weekdays and for weekends.
November 8, 2021 | Blog Articles
By Laurie Merrill / ADOT Communications

Trevor Eltringham enjoys serving the motoring public by, literally, keeping highway lights on and traffic signals running.

August 17, 2021 | News/Press Release

PRESCOTT – A new traffic signal along State Route 69 near Cordes Junction will be activated this week after the Arizona Department of Transportation finishes up a project to improve safety at the intersection with Spring Lane.

Those finishing touches require lane restrictions on SR 69 between mileposts 264 and 265 Tuesday, Aug. 17, from 9 a.m. to 4 p.m. Drivers should expect delays of up to 30 minutes.

The new traffic signal is set to be activated by the morning of Friday, Aug. 20.

May 18, 2021 | News/Press Release

PHOENIX –  Lake Havasu City residents and visitors will start experiencing a smoother flow of traffic on SR 95. Traffic signal crews with the Arizona Department of Transportation are installing updated traffic management technology on 20 signals along a 13-mile stretch of the highway 

November 14, 2018 | News/Press Release

Adaptive signal timing on Oracle

June 22, 2017 | News/Press Release

PRESCOTT VALLEY – While traffic has increased with growth, the Arizona Department of Transportation is smoothing the journey along State Route 69 through Prescott Valley using the latest in traffic-management technology.

August 4, 2015 | Blog Articles

National Stop on Red Week aims to educate drivers about the dangers of red-light running and to reduce the number and severity of crashes.

January 29, 2014 | Blog Articles

The photo was taken in December 1978 and, according to our notes, was snapped on I-15 near the Cedar Pocket exit.

December 5, 2013 | Blog Articles

With more than 6,000 miles of highway to oversee and maintain, ADOT relies on its fleet of trusty vehicles to help get the job done.

February 29, 2012 | Blog Articles

ADOT’s efforts to ease some of the stop-and-go traffic on Grand Avenue have been pretty successful so far, but you don’t have to just take our word – we’ve got the results to prove it!

Before we reveal those findings, let’s back things up a bit first …

February 2, 2012 | Blog Articles

Nothing seems to slow a commute down like having to stop at one red light after another. That’s why ADOT is working to synchronize some of its signals – a move that can help traffic flow a little more smoothly while reducing the type of stop-and-go traffic that can lead to congestion.

June 23, 2011 | Blog Articles

If you drive Valley freeways during rush hour, you’re probably pretty familiar with ramp meters … They’re the two-light signals positioned at most Valley on-ramps that tell motorists when it’s okay to head onto the freeway. Ramp meters have been used in the Phoenix-Metro area for about the past 20 years and maybe you think not much about them has changed … but, actually they’ve recently become much more efficient!