Traffic light install

With the advent of the microprocessor, computer systems now control traffic lights' timing and function. The request for a new traffic light often originates from citizens who voice concerns about safety to their local government or as part of a new construction project. Engineers conduct a study to gather data regarding traffic patterns, speed and volume at the designated area.

They use this information to develop a timing plan designed to maximize traffic flow and minimize the risk of accidents. The engineers will provide their findings to the municipality for approval. Installing a traffic light is sometimes controversial — some citizens may not agree on the need for the signal or want to absorb the cost.

A public meeting may be necessary to resolve the issue. If the local government votes to move forward, it must complete an application for a permit to install and operate a traffic signal and submit it to the state's Department of Transportation for review. The Department will determine if the location warrants a traffic light.

Once the state approves the application for a traffic light, the next step involves developing design plans for the project. This process includes preparing the required environmental and right-of-way documents.

The municipality will then open the project to electrical contractors for bidding. The entire process — from conducting the engineering study to installing the new light — can take up to two years or longer. Delays can occur due to funding issues or if the state has a backlog of projects.

Contractors need a wide range of equipment to execute a safe, efficient and cost-effective traffic signal installation project.

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