Spa intends to keep Eau Rouge, Raidillon rumble strips 'for all events'

Spa Francorchamps, in Belgium, is putting rumble strips, in the Eau Rouge, Raidillon part of the course, (one of, if not the fastest section on the whole track), to slow the cars, for every event.  This includes, the FIA World Endurance Championship Spa 6 Hours, and, the Blancpain Endurance Series 24 Hours of Spa.

http://www.foxsports.com/motor/story/spa-intends-to-keep-eau-rouge-raidillon-rumble-strips-for-all-events-031715?adbsc=social_20150317_42227626&adbid=10153180044836052&adbpl=fb&adbpr=36796456051