It is our pleasure to invite you to the accessibility workshop of NECTAR Cluster 6 which will be held in Lyon, France, the 18 and 19th of June 2018. This workshop welcomes all works dealing with accessibility. If you would like to participate in the workshop, please send an abstract of your presentation (about 500 words) including author names and affiliations and keywords, to Ouassim Manout and Ioannis Baraklianos, before February 15th. The call for abstracts can be found here. Note that the workshop will be followed by a meeting of the Urban Europe Research Alliance (UERA) (June 20th).