The OpenLab at City Tech:A place to learn, work, and share
The OpenLab is an open-source, digital platform designed to support teaching and learning at City Tech (New York City College of Technology), and to promote student and faculty engagement in the intellectual and social life of the college community.
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Both the A & B are san serifs. I believe both of them are also Helvetica since that is a common easy to quick read font which is needed for things that are moving fast like trains.