Philadelphia tracks the number of breaks experience for each 1,000 miles of main using a five-year moving average to smooth out the effect of weather variations.
The company uses a five-year moving average to smooth out the effect of weather variations. Philadelphia tracks the number of breaks experienced for every 1,000 miles of main.
Philadelphia tracks the number of breaks experienced for every 1,000 miles of main. The company uses a five-year moving average to smooth out the effect of weather variations.
Philadelphia tracks the number of breaks experienced for every 1,000 miles of main. The company uses a five-year moving average to smooth out the effect of weather variations.