.- My estimated cost is on the order of $63K (Current conversion rates) Here are the calcs and assumptions DAY Num per bus # busses Trips /bus CHF /bus EUR Euros Price $ Monday AM 400 50 8 2 CHF 309.00 189 € 3,021 € $4,484 Monday AM 800 50 16 2 CHF 309.00 189 € 6,042 € $8,967 Tuesday AM 800 50 16 2 CHF 309.00 189 € 6,042 € $8,967 Tuesday PM 800 50 16 2 CHF 309.00 189 € 6,042 € $8,967 Wednesday AM 800 50 16 2 CHF 309.00 189 € 6,042 € $8,967 Wednesday PM 800 50 16 2 CHF 309.00 189 € 6,042 € $8,967 Thursday AM 800 50 16 2 CHF 309.00 189 € 6,042 € $8,967 Thursday PM 400 50 8 2 CHF 309.00 189 € 3,021 € $4,484 If you don't like my numbers you can do your own BUT I think we have to admit that we're looking $50K or more for busses AND even then it will be an unsatisfactory situation Past plenaries with short bus rides between buildings were unhappy in outcome Rome traffic is legendarily awful.