The MTA even announced in 2018 plans to have an all-electric bus fleet by 2040. • You can switch from subway to native bus or vice versa within two hours of utilizing your pay-per-ride MetroCard . Route four service from Princeton Junction to campus may only carry University college students, commuting staff and college, and people touring to Princeton on University business or campus visits. Commuting college, staff, and college students must be ready to show University ID.
