A vital artery in Phoenix's transportation network, SR 51 has an interesting history that reflects the city's growth and development. Originally conceived in the 1950s as an official offshoot of Interstate 10, as I-510, SR 51 was designed to alleviate congestion and accommodate the increasing number of residents and businesses in the area.
SR 51
Blogs/News articles tagged as SR 51
August 7, 2017 | News/Press Release
PHOENIX – Starting this week, the timing of ramp-meter signals along southbound State Route 51 (Piestewa Freeway) are being adjusted to respond to the flow of morning rush-hour traffic, expanding an Arizona Department of Transportation program that began last fall along the freeway’s northbound on-ramps.
January 22, 2017 | News/Press Release
PHOENIX – Sections of State Route 51 (Piestewa Freeway) in Phoenix are scheduled to be closed overnight on Monday and Tuesday evenings (Jan. 23-24) while crews install new traffic-flow sensors, according to the Arizona Department of Transportation. Planned restrictions are subject to change due to inclement weather.
Drivers should consider alternate routes, including southbound Interstate 17 or 16th and 24th streets, while the following SR 51 closures are in place:
January 11, 2017 | News/Press Release
PHOENIX – Sections of northbound State Route 51 (Piestewa Freeway) near Indian School and Camelback roads will be closed overnight this week for work to install new traffic-flow detectors, according to the Arizona Department of Transportation.
Drivers should consider alternate routes, including northbound Interstate 17 as well as 16th or 24th streets, while the following SR 51 closures are in place:
January 5, 2017 | News/Press Release
PHOENIX – With Valley drivers benefiting from several freeway improvement projects completed during 2016, including the widening of Loop 101 between Shea Boulevard and Loop 202 (Red Mountain Freeway) in the Scottsdale area, the Arizona Department of Transportation is poised to start or complete several Phoenix-area projects in the coming year.
ADOT’s highlights for the regional freeway system in 2017 include:
September 28, 2016 | News/Press Release
PHOENIX – With a goal of improving the rush-hour traffic flow, the Arizona Department of Transportation will test changes in the timing of ramp-meter signals along one Phoenix-area freeway.
Starting the week of Oct. 3, afternoon rush-hour drivers using on-ramps along northbound State Route 51 (Piestewa Freeway) are likely to notice longer red lights at ramp meters as ADOT takes a look at how the signal adjustments affect freeway traffic.
March 20, 2016 | News/Press Release
PHOENIX – The Arizona Department of Transportation has opened elevated ramps connecting State Route 51 at the Loop 101 Pima Freeway with Black Mountain Boulevard, improving access in the Desert Ridge area.
A roundabout serves as a transition to slow traffic to and from the freeway, and a pedestrian bridge has been added over Black Mountain Boulevard near Pinnacle High School.