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Learn More About Remaining Service Life

Continue Anyway

RSL Calculator

How to use this Tool

Use the calculator below to explore how different treatment combinations can be varied to inject maximum life into your network and use your resources more wisely. See examples and learn more about remaining service life here.

Avg Lane Width
Total Budget
Remaining Budget
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Treatment Type
Total Cost

Total Cost
Total Network Impact




You Added
of life

Net Gain

Of Roads Addressed


You Only Added
of life

Net Loss

Of Roads Addressed

If your treatment plan delivers a negative number, consider designing a new approach that injects more life into your network. By using more treatments with a lower Equivalent Annualized Cost and keeping your good roads good, you can overcome a worst-first approach, reverse the trend of a deteriorating network, and make important network gains each year.