🚦 Intersection Delay Calculator
Calculate intersection delay, level of service (LOS), and traffic performance using HCM methodology. Analyze signalized and unsignalized intersections with advanced traffic engineering parameters.
Traffic Parameters
Results & Analysis
📋 Calculation Methodology
This calculator uses the Highway Capacity Manual (HCM) methodology for intersection delay analysis. The delay calculation considers cycle length, green time ratio, volume-to-capacity ratio, and arrival patterns to provide accurate level of service determination.
| LOS | Signalized Delay (sec/veh) | Unsignalized Delay (sec/veh) | Traffic Conditions |
|---|---|---|---|
| A | ≤ 10 | ≤ 10 | Free flow |
| B | 10-20 | 10-15 | Stable flow |
| C | 20-35 | 15-25 | Stable flow |
| D | 35-55 | 25-35 | Approaching unstable |
| E | 55-80 | 35-50 | Unstable flow |
| F | > 80 | > 50 | Forced flow |
🎯 Key Features
Comprehensive Analysis: Calculate delay for signalized, unsignalized, and roundabout intersections with HCM-based methodology.
Advanced Parameters: Include saturation flow, arrival patterns, lane utilization, and peak hour factors for precise analysis.
Real-time Results: Get instant calculations for delay, LOS, v/c ratio, and queue length with professional-grade accuracy.
Traffic Engineering: Perfect for transportation professionals, urban planners, and traffic engineers.