MTA lowers revenues while upping stress on some commuters
An economic analysis of MTA's switch to OMNY cards
new york
One solution to OMNY's math problem
Here's one way to implement fare capping
OMNY needs a facelift
OMNY has a bigger screen but displays less information
The forbidding math of finding terrorists
New York subway tests a gun detection technology
My talk next week on histograms
Kaiser will be giving a talk next week.