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Pavement Management

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When the Plymouth Capital Improvement Program (CIP) is updated annually, it includes recommendations from the Public Works staff for various street projects. Street projects include crack seal, seal coat, mill and overlay, and reconstruction.

Click here to link to the Project Spotlight where you will find information, maps and updates on city construction projects currently underway in Plymouth. 

Crack Seal
After a new street is constructed or reconstructed, it is typical to see some cracks in the new asphalt within its first few years. Therefore, two to three years after the new streets are installed they are crack sealed. The cracks are sawed and cleaned before the sealer is installed. This process usually is completed in one day. During the crack seal project, streets are kept open to the public with minimal disruption.

Mill & Overlay
A mill and overlay is proposed when existing streets show cracking, rutting and flaking, but the material underneath the asphalt is adequate. A typical mill and overlay includes removing and replacing the top 2” of asphalt, minor utility work and concrete curb and gutter replacement where necessary. This type of project takes from a few weeks to a month to complete. Disruption to traffic can occur during mill and overlay projects while the work is being performed, but traffic is generally maintained at all times. These projects are generally assessed to the adjacent property owners.

A reconstruction project is proposed when the streets have significant cracks and potholes. Generally, the underlying material is in need of replacement. These projects can take the entire summer to complete and significant disruption can be expected throughout the course of the project. Delays and road closures should be expected.