The interstate highway system carries nearly 60,000 daily person miles per route mile, 26 times as many person miles per route mile as all other roads (including low usage rural roads), and 22 times as many person miles per route mile as intercity rail (Amtrak) and urban rail combined.
The expected urine output for an adult is 0.5ml/kg/hr. This roughly equates to 30-40ml per hour in an average sized adult.
Ideally intake and output should be monitored/ To obtain an accurate record 2. In critical situations, intake and output should be monitored on an hourly basis/ Urine output less than 500ml in 24 hours or less than 30cc/hour indicates renal failure 3. Daily weights are often done/ Indicate fluid retention or loss