Blue Pathways
Assessment Tool

A two-stage methodology for identifying and prioritising urban water transport routes. Combining graph-theoretic network analysis with detailed commercial evaluation.

Two-Stage Methodology

Systematic route discovery followed by rigorous commercial evaluation

Network Discovery
Graph-theoretic analysis to systematically identify high-value route candidates

Network Construction

Build a weighted graph of eligible wharf locations and navigable routes

Detour Ratio Analysis

Identify node pairs with high detour ratios indicating valuable missing links

Blue Score Calculation

Quantify network value using connectivity, accessibility, centrality, and resilience metrics

Shortlist Generation

Filter to top 10-15 candidates for detailed Stage 2 evaluation