Okay. So monorails don't pollute as much as buses. But you are right, they do pollute. Anyways, what accident are you refering to involving the monorails? I haven't heard of any. Oh well. On a last note, your rating of WDW Transportation:
1. Bus- They go everywhere, but no sign of Disney. A magical Bus!!! lol.
2. Tram- Ah, to the parking lot I go. I am parked in Happy.
3. Magic Kingdom Railroad- Well I have done it faster walking from Mickey's Toon Town to Splash Mt. And vice versa.
4. Monorail- Magical Transportation.
5. TTA- I can't consider this a form of WDW Transportation. lol
6. Taxi/Limo- Too much money!!! And it's not really WDW Transportation.
7. Boat- Hey, these are wonderful when leaving the Studios to go see RoE at Epcot!!! And you can't say Boat anymore. You have to say Watercraft. lol.
Well, I can see your points, but to me I would place the Monorail and the Buses tied for first, And Boats for third, only because I don't use the other modes of Transport much. Great talk though!!
BTW, Monorails run at full capacity everyday. You just have to be there at opening and closing of the parks, and before the fireworks and parades. The rails are packed to the top.