[aianus]

The students at my Alma Mater (University of Waterloo) organize similar carpools to/from Toronto via Facebook Group. The only vetting for drivers and passengers alike is that you have to claim to be a student on Facebook.

It's extremely popular nonetheless.

[spicyj]

If it's a subgroup of https://www.facebook.com/groups/groupsatwaterloo/ then it would require an @uwaterloo.ca email to join the group.

[aianus]

Ah, you're right. It's been a while :)