monorail
single-rail based transportation system
Turin Monorail
railway line in Italy
Genting Monorail
defunct monorail system in Genting Highlands, Malaysia
Kanpur Monorail
proposed public transport system in Kanpur, India
Malacca Monorail
monorail system in Malacca, Malaysia
Osaka Monorail Saito Line
railway line in Japan