Vehicle where one after mass transported by people in a ferment

• Ride for Alexander?
• Car with a bubble
• Ride that's transparent and bulletproof
• Mass transportation?
• Vehicle with a glass case
• Francis used a Jeep Wrangler as one in 2015
• The first one was a modified Ford D-Series truck
• Widely used term declared "undignified" by John Paul II

Wiktionary Word definitions in Wiktionary
n. (alternative form of Popemobile English)