Transantiago was a big change, from an unplanned system, operating to demand to a planned system of transport. This system includes a new rationale, a tecnichal racionale that seeks make more efficient, clean, organized and quick the public transport system, not only seek made money with the "micros".
Another thing that is necessary to say is that change, like any change in the people rutine, can be traumatic, it´s necessary good and clear information about new routes and pay methods, if not, many protest will be not only for a deficient operation of the system, but by the change of a rutine and a way of moving through the city.
I think that transantiago has many advantages, like pay with a card and not with coins, routes announced on the bus stop with schedules of each route, drivers who only are dedicated to drive, exclusive ways for buses, fixed salarys for the drivers, among other.
I arrived to Santiago one year before transantiago, I usually moved in the yellow "micros" and I must say that the routes were useful, but it was a complete chaos, the buses go through the city with no logic and advancing any car in front of them, making races between them, charging and driving. But, I always see the nice face of transantiago, I don`t live far away from downtown or college, so I don´t have to make large trips day by day.
I believe that a good improvement is to have fixed schedules for the buses, where you know at what time the bus will pass by your bus stop, and where you can program your day or activities with exact time. I always remember than I used to tell a friend I´ll be there in thirty minutes, but I used to arrive in one hour or more.
Well, here is the post that I made last week, but I forget to post it.