Get the free Left-Turn Phasing Investigation Form - Oregon.gov - oregon

Reset Print Save As Oregon Department of Transportation Traffic-Roadway Section Traffic Engineering Unit Left Turn Signal Phasing Investigation Phone: (503) 986-3568 Fax: (503) 986-4063 General Information

How to fill out left-turn phasing investigation form

How to fill out left-turn phasing investigation form:

1. Start by obtaining the left-turn phasing investigation form from the relevant authority or department responsible for traffic management. This form is typically used to document and analyze the left-turn signals at an intersection.
2. Begin by providing the necessary identification information on the form. This may include your name, contact details, and the date of the investigation.
3. Indicate the specific location of the intersection where the left-turn phasing investigation is being conducted. This can be done by noting the street names, intersection number, or any other relevant identifiers.
4. Carefully observe and document the existing left-turn signal phasing at the intersection. This involves noting the current timing sequence, including the amount of time given for each phase of the left-turn signal.
5. Assess the effectiveness and safety of the current left-turn signal phasing. This can be done by considering factors such as traffic volume, speed limits, visibility, and any previous accidents or incidents at the intersection.
6. Evaluate any potential challenges or issues related to the left-turn signal phasing. This may include identifying instances of congestion, delays, conflicts with other traffic movements, or inadequate time for vehicles to safely complete left turns.
7. Recommend any necessary changes or improvements to the left-turn phasing. This could involve proposing adjustments to the timing sequence, extending the duration of certain phases, or implementing additional signage or markings to enhance safety and efficiency.

Who needs left-turn phasing investigation form:

1. Traffic engineers and transportation planners: These professionals often use the left-turn phasing investigation form to evaluate and optimize signal timings at intersections to improve traffic flow and safety.
2. Local government departments: The left-turn phasing investigation form is frequently utilized by local government agencies responsible for traffic management and public safety.
3. City or municipal transportation departments: These departments may require the left-turn phasing investigation form as part of their ongoing efforts to monitor and enhance the performance of traffic signal systems within their jurisdiction.
4. Consultants and contractors: Professionals working on traffic signal projects or conducting research on intersection efficiency may also utilize the left-turn phasing investigation form.

In conclusion, the left-turn phasing investigation form serves as a valuable tool for analyzing and improving the left-turn signal phasing at intersections. By following the steps outlined above, individuals can effectively complete this form and provide valuable input to enhance traffic safety and efficiency.

For pdfFiller’s FAQs

What is left-turn phasing investigation form?

The left-turn phasing investigation form is a document used to gather information about the signal phasing for left-turn lanes at intersections.

Who is required to file left-turn phasing investigation form?

Traffic engineers, city planners, or transportation departments are typically required to file the left-turn phasing investigation form.

How to fill out left-turn phasing investigation form?

The form usually requires details about the intersection, signal timing, and any issues with left-turn phasing.

What is the purpose of left-turn phasing investigation form?

The purpose of the form is to evaluate the effectiveness and safety of left-turn signal phasing at intersections.

What information must be reported on left-turn phasing investigation form?

Information such as intersection location, signal timing, types of left-turn movements, and any observed issues or concerns.

When is the deadline to file left-turn phasing investigation form in 2023?

The deadline to file the form in 2023 is typically by the end of the first quarter of the year.

What is the penalty for the late filing of left-turn phasing investigation form?

The penalty for late filing may vary depending on the jurisdiction, but it could include fines or other consequences.

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