Why is the Red line called the Red Line?
It used to terminate at Harvard University, whose school color is crimson
What caused the fire over the Mystic River bridge on July 21, 2022
Caused by a loose side skirt from lack of maintenance![]()
Critical issue found in the GLX shortly after opening
Track gauge was too narrow
What were the nicknames for the former Hawker Siddeley cars that ran on the Blue Line?
Bluebells
Name 3 Silver line bus lines
SL1, SL2, SL3, SL4, SL5, SLW
Least used Red Line stop
Savin Hill station![]()
Why did the Orange line close for a month in 2022
To complete track & signal work that would've taken years to complete had the line remained open
Official name of the newly opened extension of the D and E routes
GLX (Green Line Extension)
Due To _____ is the reason that the Blue Line switches between overhead wire and third rail at Airport station
Cold weather near the water freezing the third rail
What is a Dual Mode Bus
a bus that can run independently on power from two different sources, ex: gasoline, overhead wires
Newest Rolling stock on the Red Line Also used on the Orange Line, Bonus points for the Manufacturer
1900 Series, Built by CRRC
Name of former highway project that was later given to the MBTA to close the Elevated line, Hint: This is the current Orange line
Southwest Corridor
What tunnel was used to display the classic Trolleys at Boylston Station?
The Tremont Street subway tunnels
This company built the current Blue Line fleetHint: They make Automated healthcare and industrial products and are German
Siemens
The dual mode trolleybuses were removed in 2022 because of this:
Cost of maintaining wires, less flexibility
What was the abandoned tunnel below Harvard used for?
Led to the former Eliot Yard shops
Nickname of the former Orange line route From Everett to Forest Hills
"The El"
Why did the A branch of the Green Line close?
It closed due to it being right in traffic which caused it to be slow and dangerous![]()
Why is Aquarium station always wet
Due to it being right next to the harbor, having leak issues and risks of flooding constantly
The type of bus system the Silver Line is (hint: the definition of a bus with its own right of way)
Bus Rapid Transit "high-capacity bus system that combines buses rail transit. It is an integrated system that uses dedicated lanes, traffic signal priority, and off-board fare collection
What was the red line's original name before becoming the red line?
Cambridge Subway
Former Orange Line rolling stock, used until 2022
Hawker Siddeley 1200 Series

What is unique about the new type 10 cars entering service in the 2030s
They'll be longer
True Or False: The Blue Line was originally a light rail line similar to the green line
True! It was converted to be a faster service and eliminate the need for ferries
Why was the Silver Line created?
As a permanent replacement for the Orange Line's elevated