Corridor Multimodal Capacity Analysis
Analyze multimodal corridor capacity to identify constraints and prioritize improvements
What You Can Do
Conduct rigorous corridor-level capacity assessments that balance competing modal demands within constrained right-of-way. You analyze existing conditions across all transportation modes, identify true capacity constraints versus perceived limitations, and generate defensible recommendations for modal reallocation—all grounded in traffic engineering principles, transit operations data, and urban design standards. This skill moves beyond single-mode optimization to deliver integrated corridor function recommendations that stakeholders can act upon.
Features
document existing roadway, transit, pedestrian, and bicycle infrastructure with quantified capacity metrics
distinguish true constraints from perceived ones using standardized traffic engineering analysis methods
analyze current modal split and project future demand across all transportation modes
develop 3-5 alternative designs that redistribute space based on corridor function and equity priorities
rank bottlenecks by severity, cost-benefit impact, and implementability for phased improvements
compare corridor performance against comparable segments to identify underperformance and best practices
generate phased improvement strategies with clear cost, benefit, and equity justification
structure analysis to support NEPA, local environmental review, and planning study documentation
Example Output
Corridor Assessment Summary: Main Street (1.5-mile segment)
Current Capacity Status:
- Automobile: 85% of capacity during peak hour
- Transit (local bus): 2 routes, 15-min headways, 35% occupancy
- Bicycle: 1.2-mile protected lane, 8% of commute trips
- Pedestrian: 12-ft sidewalk, Level of Service C during peak
Key Bottlenecks Identified:
- Signalized intersections create 3-block platoons reducing transit reliability
- Inconsistent 10-ft curbside parking reduces effective roadway width
- No signal priority for transit causes 2-3 min delays per route
- Missing bike connection at northern terminus limits mode shift
Recommended Improvements (Phase 1-3):
- Transit signal priority at 4 intersections → reduce travel time 12%, improve bus reliability
- Curbless design Main & 4th → reclaim 8 ft for protected bike lane + wider sidewalk
- Extend route frequency to 10-min headways → support 30% mode shift projection
Equity Impact: Recommendations prioritize pedestrian-dependent riders (48% of transit users) and multimodal access to employment centers.
What's Included
- SKILL.md: Complete corridor capacity analysis methodology and workflow
- Capacity Assessment Template: Data collection checklist for roadway, transit, bicycle, and pedestrian inventory
- Bottleneck Analysis Framework: Structured approach to constraint identification and severity ranking
- Scenario Development Worksheet: 3-5 alternative design templates with space-allocation matrix
- Stakeholder Communication Guide: Templates for presenting findings and defending recommendations to elected officials and community members
Who It's For
- Transportation planners conducting major corridor studies and long-range improvement plans
- Traffic engineers tasked with evaluating modal reallocation and right-of-way reconfiguration requests
- Transit agencies analyzing route performance, service frequency gaps, and signal priority needs
- City planners and policy staff developing land use and transportation alignment strategies
- Environmental consultants preparing NEPA documents and environmental review studies
Best For
- Corridor-level capacity studies (2-5 mile segments with multiple decision points)
- Transit lane and bike lane feasibility analysis grounded in quantified capacity data
- Right-of-way reallocation decisions requiring defensible prioritization frameworks
- Modal performance benchmarking comparing corridors to identify underperformance
- Phased improvement strategy development with 10-20 year timelines and cost-benefit analysis
- Stakeholder engagement documentation for planning studies and environmental reviews
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