Pulmonary arterial hypertension (PAH) is a rare, progressive disorder characterized by high blood pressure (hypertension) in the arteries of the lungs (pulmonary artery) for no apparent reason.
Elburn is a station on Metra 's Union Pacific/West Line located in Elburn, Illinois. The station is the western terminus of the West Line. The station is 43.6mi away from Ogilvie Transportation Center along the railroad tracks. The station opened in January 2006, when the West Line was expanded from Geneva.
The longest Metra route, the Union Pacific / Northwest Line is a 70.5 mile (113 km) route from Ogilvie Transportation Center to Harvard, Illinois, with a branch line to McHenry. The line had an average of 40,900 weekday passenger trips in 2010.