Sources and image credits

Archive photo of roadworks at the Empel interchange in 2007; illustration, not a recording of the work in October 2026.

Photo: Cro-Cop2 / Wikimedia Commons · Publiek domein · Beeldbron

Archive photo of roadworks at Aalsmeer in 2008; illustration, not a recording of the work in October 2026.

Photo: MartinD / Wikimedia Commons · CC BY-SA 3.0 · Beeldbron