Seth Chalmers: Initial Steps for Developing Safety Planning and Programming Projects in Arizona

Posted on March 17, 2013


As Division Manager of the Traffic Engineering Division for Pima County in Tucson, Arizona, Seth Chalmers leverages more than three decades of experience in the civil engineering sphere. His experience in safety planning and programming extends to the development of projects funded by the Federal Highway Administration (FHWA) Highway Safety Improvement Program (HSIP).

In undertaking these projects, Mr. Chalmers followed a two-step protocol that first involved undertaking FHWA eligibility findings. Employing a standardized crash modification or reduction factor, cost and scope estimates were carefully compared with crash prevention benefits. After eligibility had been justified, authorization requests were developed. In cases of local metropolitan planning organization or Council of Governments projects, a process was initiated to include the project on a Transportation Improvement Plan (TIP). For Arizona Department of Transportation projects (not already on the state’s five-year plan) are included on the State Transportation Improvement Plan (STIP). Seth Chalmers has taken steps to include the HSIP funded projects on both TIP and STIP. This is required by FHWA to achieve authorization.

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