Monarch Butterfly
Superstar
Guessing they are trying to fix any problems on Line 5 to avoid "slow zones" when it opens. However, if they opened Line 5 today, wouldn't the operation of be similar to current Line 1 & Line 2 with their "slow zones"? 
If so, open Line 5 with the "slow zones". The experience would be "normal" for TTC users.
If so, open Line 5 with the "slow zones". The experience would be "normal" for TTC users.




