ARN had, until recently, ops on both 01/19 and 08/26 simultaneously. They don't quite meet, but the 01 and 26 points are pretty close to one another, so for ATC purposes I believe they are intersecting.
In the morning, it would most often be departures on 08 and arrivals on 01. Since 08 starts slightly east of 01, no problems there. However, in the evening, it would frequently be arrivals on 26 and departures on 19, which of course could slow things down since arrivals need space to go around. To further complicate things, heavies sometimes asked for 01/19 since it is longer.
Since 2003, there are three runways: 01L/19R, 01R/19L and 08/26 so this problem has been solved. Also the new runway is better for the NIMBYs.
this pic shows the layout 01L/19R runs on the left of the pic, 18/26 across the pic, 01R/19L is barely visible on the right (only the end).
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Photo © Staffan Hardie
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