Commonway
Version V. 2026.08.31

Transit Boarding Island

ELM-TBI-41
Recommended Element

Transit Boarding Island

A raised platform positioned between a bike lane and the vehicle travel lane at a transit stop, allowing bus or streetcar passengers to board and alight without crossing the bike lane at grade, and without the transit vehicle needing to merge across the bike lane to reach the curb.

Working assessment: this pattern’s status reflects a preliminary Commonway System judgment call, pending final review.

#Why this pattern exists

Where a protected bike lane runs along a curb that also serves transit stops, a standard curbside stop forces either the bus to cross the bike lane to reach the curb, or passengers to cross the bike lane to board, both creating a recurring conflict point. A boarding island resolves this by placing the stop between the two facilities, letting each operate without crossing the other. This pattern exists to document that specific, well-defined conflict and its resolution.

#Key considerations

  • Island width must accommodate expected passenger volume and any accessibility equipment (wheelchairs, strollers) waiting to board
  • The bike lane routing around the island needs clear delineation so cyclists understand they are expected to yield to boarding and alighting passengers crossing their path
  • Most relevant wherever a protected bike lane and a transit stop coincide on the same corridor; not a general-purpose treatment outside that specific pairing

Protected Bike Lane/Cycle Track (ELM-PBL-37), Transit Platform (FAC-TPL-02) (the two facilities this pattern reconciles); Detectable Warning Surface (ELM-DWS-10), Curb Ramp (ELM-CRP-03) (companion accessibility elements)

Unsourced claim

Formal citations for this pattern have not yet been compiled from primary sources.

Suggest changes to this page (opens in new tab) Last updated August 31, 2026