Traffic Investigator I

US Government, Public Works

With supervisor approval, incumbents may be eligible for intermittent remote work; however, they must physically reside within the Sacramento region or have the ability to regularly report to a City of Sacramento physical worksite with little notice.  

The Department of Public Works is seeking qualified candidates for the position of Traffic Investigator I. The position is available in the Traffic Engineering section of the Transportation Division, overseen by the City Traffic Engineer. The Traffic Investigator I position is a training position. Responsibilities include the following:

  • Investigating traffic safety concerns and requests for traffic control devices
  • Correspond with customers
  • Maintain collision report database
  • Collect, record, and interpret field and study data
  • Maintain and prepare accurate records and reports 


The ideal candidate will have effective communication skills, customer service experience,  and experience with researching and explaining codes and regulations to the public. The ideal candidate will be able to multitask, use time management skills to balance a fast paced and varied work load, and work well in a collaborative team environment.

Performs a variety of para-professional traffic engineering field and office research, analysis and records maintenance; designs and modifies traffic control devices; develops recommendations for coordinating traffic improvement projects.


This is the entry-level classification in the para-professional Traffic Investigator series. Incumbents perform routine, basic traffic investigator support duties and are considered to be in training. As experience is acquired, incumbents perform with increasing independence. Assignments are generally limited in scope and within a procedural framework established by higher level personnel. Assignments are observed and reviewed both during performance and upon completion, and changes in procedures or exceptions to rules are explained in detail as they arise. The classification is distinguished from Traffic Investigator II by the greater complexity of assignments and level of independent decision making required of the Traffic Investigator II classification.

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