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In light of the merge discussion, I can think of six main things which can be added into this article, which would give it a boost and make it more complete and worthwhile.
Map of the complete grounds on Qastina, including the junction and bus stations
Photograph, like the one on Ynet
Information about the fairly recent renovation of Highway 40/3 between Re'em and Qastina, adding lanes and renovating the actual Qastina grounds
List of bus lines on the station
Information about the landmark Qastina sign on top of the fast food building, including its recent renovation (as far as I know)
Information about relevant nearby civilian and military installations
(Optional) - Information on Highway 6 (new section)'s impact on the traffic and businesses in the junction
(Optional) - Future plans (not sure if any have been published)
Actually I forgot a point (originally thought of seven), but these are enough for now. Can't really do this off my head and would appreciate any help.