Iraq is making steady progress on work to reopen the Arar border crossing with Saudi Arabia, one of the few concrete developments as ties slowly warm between Baghdad and Riyadh. Satellite imagery from the Iraqi side of the crossing, which is 350km southwest from Baghdad, shows extensive work being done on the border compound. Reports suggest the Saudi-funded structure will include a hospital and university in addition to a customs station.

The crossing closed in 1990 when Saudi Arabia...