Apparently NJT Rail makes much more money than bus, however the bus division carries many more people.
Taken from page 7 of Management's discussion and analysis in the 2015 annual report
On NJT light rail is part of Bus Operations.
I've edited this for clarity. Here's a link to the report.
http://www.njtransit.com/pdf/NJTRANSIT_ ... Report.pdf" onclick="window.open(this.href);return false;
You can also find it i the NJT public website, at the bottom, "About Us," then "Anual report & financial statement."
PASSENGER REVENUE ($ in millions)
YEARS ENDED JUNE 30, % INC/(DEC)
FY15
Rail Operations $540.6
Bus Operations 366.9
Light Rail Operations 21.8
Special Transit Fares 4.3
taken from page 8
RIDERSHIP (in millions)
YEARS ENDED JUNE 30,
FY15
Rail Lines
Total 87.6
Bus Lines
Total 162.2
Light Rail Lines
Total 22.5