Transportation Studies

Loop 303 from Interstate 10 to Proposed State Route 30

The formal public hearing for the Loop 303 south of Interstate 10 Draft Environmental Assessment (EA) and Initial Design Concept Report (DCR) is scheduled for June 27, 2018.

The draft EA and initial DCR are available for review. ADOT welcomes comments about the draft EA and initial DCR. All comments must be submitted by July 15, 2018, to be included in the study record.

The study began in 2005, but was put on hold in 2007 due to the economic recession. In 2013, ADOT and the Federal Highway Administration (FHWA) reinitiated the study of Loop 303 south of Van Buren Street to SR 30. Construction of Loop 303 south, between I-10 and Van Buren Street, began in February 2016 and was completed in October 2017.  The next segment of Loop 303, Van Buren Street to MC 85, is scheduled to begin final design in the Fall of 2018 and begin construction after the of Summer 2020, pending Finding of No Significant Impact (FONSI).

Throughout its length, Loop 303 has been planned to accommodate an ultimate configuration of four general-purpose lanes and one high-occupancy vehicle (carpool) lane in each direction.

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Civil Rights

Pursuant to Title VI of the Civil Rights Act of 1964, and the Americans with Disabilities Act (ADA), ADOT does not discriminate on the basis of race, color, national origin, age, sex, 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 y la Ley de Estadounidenses con Discapacidades (ADA por sus siglas en inglés), el Departamento de Transporte de Arizona (ADOT por sus siglas en inglés) no discrimina por raza, color, nacionalidad, edad, género o discapacidad. Personas que requieren asistencia (dentro de lo razonable) ya sea por el idioma o por discapacidad deben ponerse en contacto con la Oficina de Derechos Civiles en Las solicitudes deben hacerse lo más pronto posible para asegurar que el equipo encargado del proyecto tenga la oportunidad de hacer los arreglos necesarios.