| 16 December 2021 | New Service Updates & Alerts! | Washington, DC-Baltimore, USA |
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| 16 December 2021 | Upcoming Fare Changes to MTA 2022 | NYC-NJ, USA |
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| 16 December 2021 | Winter 2022 Service Changes | Boston, MA, USA |
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| 16 December 2021 | CTA Fare Discounts | Chicago, IL, USA |
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| 16 December 2021 | New LA Metro Schedules on December 19 | Los Angeles, CA, USA |
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| 15 December 2021 | PTV Service Update | Melbourne & VIC, Australia |
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| 15 December 2021 | Rail service changes for the upcoming week | Israel |
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| 14 December 2021 | Sydney & NSW - Trackwork Monday 13 December to Sunday 19 December 2021 | Sydney & NSW, Australia |
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| 09 December 2021 | Alteraçoes de serviço | Lisboa, Portugal |
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| 08 December 2021 | PTV Service Update | Melbourne & VIC, Australia |
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| 08 December 2021 | Public transit updates – December 8 | Israel |
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| 07 December 2021 | Sydney & NSW - Strike | Sydney & NSW, Australia |
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| 02 December 2021 | ☃❄ Allstate CTA Holiday Train ☃❄ | Chicago, IL, USA |
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| 02 December 2021 | TTC Service Alerts | Toronto, ON, Canada |
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| 01 December 2021 | PTV Service Update | Melbourne & VIC, Australia |
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| 01 December 2021 | Public transit updates – December 2 | Israel |
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| 01 December 2021 | Service Updates, Changes, Alerts & More! | Washington, DC-Baltimore, USA |
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| 01 December 2021 | New Miami & South Florida Changes, Alerts & More! | Miami, FL, USA |
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| 01 December 2021 | Rockefeller Center Tree Lighting Is Back! | NYC-NJ, USA |
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| 01 December 2021 | South Coast Rail Fall Update | Boston, MA, USA |
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