Lisbon Tram thoroughly capturing! Route maps, Congestion avoidance methods, etc.
File:Tram 28E and 12E Lisbon 2011.png - Wikimedia Commons
Weekend Trip to Lisbon – Tram Route 28E Map & Top Stops - Travel Devotion
Tram 28 Lisbon: The Complete Guide - LisbonGo
Lisbon Tram 28; a tourism guide for 2022
Tram 28 Lisbon map - in2Lisbon.com
The route of the Tram 28, with all the stops, and sights to see along the way. More info here: https://www.timetravelturtle.com/tram-28-lisbon -portugal/