Center for Transportation Studies2022-02-212022-02-212021-11https://hdl.handle.net/11299/226471Note: This issue of Catalyst was published in a web-only format, with articles posted online throughout the month and also sent in an e-mail to subscribers at the end of the month. The PDF in this record collated the e-mail summary with the full-length articles posted online.Articles include: New approach helps estimate COVID exposure risk for trail users; Researchers study impact of transitways on nearby roads, park-and-ride choices; Affordable lane-departure warning system is on the road to market readiness; Ride-hailing service explored for reducing no-show rates for appointments; Software package provides free, up-to-date access to traffic detector data; Reminder: Register for the Dec. 10 Freight and Logistics Symposium; CTS fall research webinars: Recordings now availableenTransportationCatalyst (November 2021)Newsletter or Bulletin