• Session number 1, of 5th June 2013
• Session number 2, of 4th December 2013
• Session number 3, of 27th February 2014
• Session number 4, of 15th May 2014 (joint session with the Streets Base WG)
• Session number 5, of 30th September 2014
• Session number 6, of 3rd December 2014
• Session number 7, of 10th March 2015
• Session number 8, of 2nd July 2015 (joint session with the Streets Base WG)
• Session number 9, of 28th October 2015
• Session number 10, of 12th May 2016
• Session number 11, of 15th September 2016
• Session number 12, of 27th October 2016
• Session number 13, of 27th June 2017