Figure Title

  • 48-2A   Freeway Interchanges (Based on Functional Classification of Intersecting Facility)

  • 48-2B   Diamond Interchange

  • 48-2C   Single Point Urban Interchange

  • 48-2D   Three-Level Diamond Interchange

  • 48-2E   Full Cloverleafs

  • 48-2F   Partial Cloverleaf Arrangements

  • 48-2G   Three-Leg Interchanges

  • 48-2H   Fully Directional Interchange

  • 48-2 I   Semi-Directional Interchanges

  • 48-3A   Typical Examples of Lane Balance

  • 48-3B   Recommended Minimum Ramp Terminal Spacing

  • 48-3D   Alternate Methods of Dropping Additional Lanes

  • 48-4A   Typical Exit Ramp Types (Single Lane)

  • 48-4B   Typical Gore Area Characteristics

  • 48-4C   Typical Entrance Ramp Types (Single Lane)

  • 48-4D   Minimum Acceleration Lengths for Entrance Terminals With Flat Grades of 2% or Less

  • 48-4E   Grade Adjustments for Acceleration (Passenger Cars)

  • 48-4F   Lengths for Acceleration (200 lb/hp Truck)

  • 48-4G   Multi-Lane Entrance Ramp
    (Service Interchanges)

  • 48-4H   Multi-Lane Exit Ramp (Service Interchanges)

  • 48-4 I   Major Forks for System Interchanges
    (Typical Schematics)

  • 48-4 J   Branch Connections for System Interchanges (Typical Schematics)

  • 48-5A   Ramp Design Speeds

  • 48-5B   Rate of Superelevation (Interchange Ramps) (8%)

  • 48-5C   Rate of Superelevation (Interchange Ramps) (6%)

  • 48-5D   Rate of Superelevation (Interchange Ramps) (4%)

  • 48-6A   Freeway Lane Drop (Typical Schematic)

  • 48-6B   Ramp/Continuous Frontage Road Intersection

  • 48-6C   Typical Access Control for a Diamond Interchange

  • 48-6D   Typical Access Control for a Partial Cloverleaf Interchange (With Frontage Road)

  • 48-6E   Access Control at Ramp Terminals

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