The passenger drop-off ramp at William P. Hobby Airport will close for one night due to ongoing construction. The upper ramp will close April 27 at 8 p.m., and drop-off traffic will be rerouted to the lower ramp. The upper ramp will reopen at 5 a.m. April 28. The ramp closure is due to work being done on the pedestrian bridge connecting the new parking garage to the new international terminal. Start your day with Houston Business Journal news in your inbox.