Friday, February 28, 2014

I-17 climbing lane project moves to next phase

Have you driven the stretch of I-17 that’s just south of Camp Verde, lately? If so, you’ve probably noticed the construction.

Those of you who read this blog post from last year know that the work is being done to add an additional southbound “climbing lane” to help ease the flow of traffic (and if you read this blog post, you know more about what a climbing lane is).

But, if you haven’t been keeping up with the ADOT Blog, don’t worry because today we’ve got a project update that will tell you everything you need to know...

Blasting is over

Since early 2013, motorists traveling late at night on I-17 (primarily between 11:30 p.m. and 3:30 a.m.) have had to plan ahead to avoid more than 70 planned one-hour closures required to safely remove the rock material from the mountainside of Copper Canyon. Those restrictions ended with the final overnight blasting closure on Feb. 18, but additional lane restrictions are anticipated in the future as crews move to pave the new lane.

With the blasting phase of the project completed on Copper Canyon and the project 80 percent finished, crews have already begun building the subgrade for the new pavement on the climbing lane, which will add a third travel lane for motorists to climb to the top of the steep Copper Canyon.

ADOT will start final paving operations for the project in early summer when temperatures are ideal for this type of work.

More about the project
Since the January 2013 start of this $11.8 million safety improvement project, ADOT has moved approximately 350,000 tons of dirt and boulders from Copper Canyon to clear a path for construction of the first-ever climbing lane (and third travel lane) on southbound I-17.

When complete, the additional southbound lane through the final two miles to the top of Copper Canyon will make it easier for motorists to pass large trucks and slow-moving vehicles whose speed drops because of the sustained grades along this stretch of highway (mileposts 280-282), which is the primary travel route linking Phoenix and Flagstaff.

In addition to the climbing lane, ADOT is also building a two-mile-long merging lane between the State Route 260 junction and General Crook Trail traffic interchange (mileposts 285-287), which is located just before the approach to Copper Canyon. The merging lane will allow larger vehicles to gain speed before merging onto I-17 while also providing more room for passenger vehicles traveling past slower traffic.

ADOT expects to complete the entire project in early summer.

For more information, visit the project Web page or check out our previous blog posts.
Posted by Angela DeWelles   |  Labels:  Climbing-Lanes, I-17


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Pursuant to Title VI of the Civil Rights Act of 1964, the Americans with Disabilities Act (ADA) and other nondiscrimination laws and authorities, ADOT does not discriminate on the basis of race, color, national origin, sex, age, or disability. Persons that require a reasonable accommodation based on language or disability should contact ADOT’s Civil Rights Office at Requests should be made as early as possible to ensure the State has an opportunity to address the accommodation.

De acuerdo con el Título VI de la Ley de Derechos Civiles de 1964, la Ley de Estadounidenses con Discapacidades (ADA por sus siglas en inglés) y otras normas y leyes antidiscriminatorias, el Departamento de Transporte de Arizona (ADOT) no discrimina por motivos de raza, color, origen nacional, sexo, edad o discapacidad. Las personas que requieran asistencia (dentro de lo razonable) ya sea por el idioma o discapacidad deben ponerse en contacto con la Oficina de Derechos Civiles de ADOT en Las solicitudes deben hacerse lo más antes posible para asegurar que el Estado tenga la oportunidad de hacer los arreglos necesarios.