Transit Alignment Corridor
CDR-TAC-06 Transit Alignment Corridor
Related Media
The items below come from outside the Commonway System, external videos, podcasts, and articles related to this page's topic, not part of the guidebook itself.
Why this pattern exists
A fixed transit alignment is not just another lane, it constrains cross-section width, access point spacing, and intersection design continuously along the corridor in a way that a bus running in mixed traffic does not. Treating each segment along a transit alignment independently risks a cross-section that works at one point and fails at the next (a dedicated lane that disappears and reappears, station spacing that does not match access needs).1
Key considerations
- Cross-section allocation for the transit alignment should be consistent for the corridor’s length, not renegotiated segment by segment
- Station/stop placement should be planned as a corridor-wide sequence, not sited independently at each segment
- Where the alignment shares the roadway with general traffic, note the applicable Modal Hierarchy exception justification this requires
Related patterns
Transit Corridor (Segment-scale character type, the segment-level treatment this corridor pattern coordinates); Modal Hierarchy mechanism (Guide)
References
- Precedent-based NACTO, Transit Street Design Guide, 2016.