When we charged the Equinox into a specially arranged snow course at Lime Rock Park in Connecticut, it allowed for a lot more sideways action than most modern cars will permit, but kept us going where we wanted. (digitaltrends.com)
The April 1 date is also the date for which longer term snow course measurements were completed prior to the SNOTEL continuous measurement program started in 1980 (Pelto, 2008). (nichols.edu)
Ferrari set up a small snow course at the top of a ski slope. (automobilemag.com)