Center for Transportation Studies2021-12-132021-12-132021-06https://hdl.handle.net/11299/225576Note: 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: As workplaces reopen, researchers model how commuting may affect COVID spread; Transit and shared mobility planning in a post-COVID world; 'Green alleys' offer stormwater and public health benefits; Project that boosts fuel economy of delivery vehicles receives Research Partnership Award; Leaders, students recognized at virtual awards ceremony; Save the date: 2021 CTS Transportation Research ConferenceenTransportationNewsletter or Bulletin