Abstract: This research aims to shed more light on the nature and frequency of secondary conflicts. Data for 15 unsignalized intersections located in Amman, Jordan, were collected by the use of a video camera. It was concluded that ...

Abstract: This paper presents data for 15 four-leg unsignalized intersections. The data concerning traffic volume and conflicts of four levels of severity grades were collected by the use of a video camera. The main objective of ...

Abstract: Rutting of bituminous surfaces on the Jordanian highways is a recurring problem. Highway authorities are exploring the use of extracted shale oil and oil shale fillers, which are abundant in Jordan. The main objectives of ...

Abstract: The objective of this research is to investigate the deformation behavior of asphalt concrete mixtures containing four phosphate waste fillers (12.7-mm reject, 4.5-mm reject, slime, and phosphogypsum) as compared to the ...