MetroBus is a public bus service operated by Metro Transit that serves the Greater St. Louis area.

[8] In addition, ongoing labor shortages have reduced Metro's ability to offer comprehensive service to its riders.

However, recruitment remains low and Metro slashed the number of full-time bus driver slots in its 2024 budget by 21%, from 811 to 635.

[10] In 2024, after several successful hiring events, Metro increased frequency on 17 bus routes in Missouri as part of its January service adjustment.

When boarding, riders with valid passes present them to the operator and those without are able to pay exact change into the onboard fare box.

[21] Residents called to jury duty in Metro's service area may travel on MetroBus free of charge.