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In areas where annual temperatures fluctuate severely, the saw and seal method is ideal for increasing the longevity of asphalt pavement.
Installing control joints at regular intervals in new pavement allows expansion and contraction. Therefore, future random cracking is nearly non-existent. This is similar to the traditional process of installing control joints in concrete.
Studies by State Departments of Transportation in northern states have shown the saw and seal method to be effective in significantly reducing long-term pavement maintenance costs.
