  Public transit is an essential infrastructure enabling access to employment,
healthcare, education, and recreational facilities. While accessibility to
transit is important in general, some sections of the population depend
critically on transit. However, existing public transit is often not designed
equitably, and often, equity is only considered as an additional objective post
hoc, which hampers systemic changes. We present a formulation for transit
network design that considers different notions of equity and welfare
explicitly. We study the interaction between network design and various
concepts of equity and present trade-offs and results based on real-world data
from a large metropolitan area in the United States of America.
