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Employee innovation helps ADOT reopen freeways faster after pavement treatment

Template shields HOV diamond markings from seal used to preserve asphalt
December 20, 2017

PHOENIX – After asphalt lanes get a rejuvenating seal designed to reduce cracking and extend the life of pavement, an innovation by Arizona Department of Transportation employees allows crews to reopen freeways faster.

Reverse Diamond Stencil-SunriseUsing scrap metal, ADOT maintenance workers fashioned what’s essentially a reverse stencil – a diamond-shaped template that keeps the oil-based seal off of white HOV markings within lanes. They also designed a metal arm to lift and transport the template from one HOV diamond to the next.

While applying the seal doesn’t affect lane striping, HOV markers within lanes once had to be repainted before a freeway could reopen. In addition to shortening the full closures required to apply the seal, saving the time and money needed to repaint HOV markings adds up to $310 for each diamond.

According to Mark Kilian, an ADOT highway operations technical supervisor, using the reverse stencil usually involves two trucks, each transporting and placing one template. This process improvement, he said, is designed to better serve drivers, who are ADOT’s customers.

Reverse Diamond Stencil-After“We had a major interstate shut down, and we wanted to make sure we can get it open as soon as possible, so we have to be as efficient as possible,” Kilian said.

This innovation is another example of ADOT’s commitment to continuous improvement through the Arizona Management System (AMS) championed by Governor Doug Ducey. AMS challenges all employees to identify and develop ways to deliver more value for taxpayers.

“Every time that we are successful at something like this,” Kilian said, “it gives us even more motivation to go out and find new innovation and ideas to help us make processes easier.”

For more information on ADOT’s culture of continuous improvement, visit azdot.gov.

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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 civilrightsoffice@azdot.gov. 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 civilrightsoffice@azdot.gov. Las solicitudes deben hacerse lo más antes posible para asegurar que el Estado tenga la oportunidad de hacer los arreglos necesarios.