This app is specifically set up to track spectator travel for football clubs. However it can be ada
Sustainable Travel International offers a basic event carbon calculator and also an API plug in for
This is an API to measure event attendee travel impacts, which in integrated with event registratio
https://yousmartthing.com This is a travel assistant for event attendees, to work out the best
This Chilean-based measurement service uses a forms/survey approach to estimate attendee travel imp