Algarve-How to handle the toll road. | algarvehousing.net

The toll system in the Algarve is complicated and confusing, How does it works for holiday makers with rental car or with your own car?
http://www.algarvehousing.net/news/2015/06/19/driving-in-the-algarve-how-to-handle-the-toll-road-a22/