What is the minimum increment when adding value to a Ventra card at a retail outlet?

The minimum increment when adding value to a Ventra card at a retail outlet is $0.05. This increment is established to streamline the process and encourage users to add a small-but-meaningful amount to their cards, ensuring that transactions remain efficient without causing delays for customers in line.

Adding funds in such increments also aligns with typical transaction practices seen in retail environments, which often favor fractions of a dollar that can accommodate small purchases. Choosing this value ensures that users can maintain a balance that is practical for regular usage of public transportation systems like the CTA. Other increments listed are not applicable as they either provide too small of a denomination or exceed what is considered a minimal, practical addition for quick transactions.