Abstract: Intermittent sand filtration is a common and effective method for treating septic tank effluent. However, if the loading rate is too high, clogging and ponding of the sand filter surface layer can occur due to the accumulation ...

Abstract: This paper presents the analysis of traffic operations at 34 instances of yellow/red malfunction flash and nine instances of red/red malfunction flash in the Atlanta area. Malfunction flash occurs when a traffic signal’s ...