Figure Title

  • 49-2A    Clear-Zone Width for New Construction or Reconstruction

  • 49-2B    Clear-Zone Adjustment Factor, Kcz, for Horizontal Curve

  • 49-2C    Clear-Zone Transition for Curve Adjustment, Radius ≤ 3000 ft

  • 49-2D    Clear-Zone Transition for Tangent Section or Curve with Radius > 3000 ft

  • 49-2E    Slope-Averaging Example

  • 49-2F    Clear-Zone Application for Non-Recoverable Fill Slope

  • 49-2G    Clear-Zone Application for Side Slope on New Facility

  • 49-2H    Clear-Zone Application for Cut Slope
    (2:1 Backslope)

  • 49-2 I    Clear-Zone Application for Auxiliary Lane or Ramp

  • 49-2 J    Clear-Zone/Slope Average, Example 49-2.2

  • 49-2K    Clear-Zone/Slope Average, Example 49-2.3

  • 49-2L     Appurtenance-Free Zone

  • 49-3A    Transverse Slopes

  • 49-3B(35, 40)  Barrier Warrant for Embankment, 2-Lane, 2-Way Roadway, 35 or 40 mph

  • 49-3B(45)  Barrier Warrant for Embankment, 2-Lane, 2-Way Roadway, 45 mph

  • 49-3B(50)  Barrier Warrant for Embankment, 2-Lane, 2-Way Roadway, 50 mph

  • 49-3B(55)  Barrier Warrant for Embankment, 2-Lane, 2-Way Roadway, 55 mph

  • 49-3B(60)  Barrier Warrant for Embankment, 2-Lane, 2-Way Roadway, 60 mph

  • 49-3B(70)  Barrier Warrant for Embankment, 2-Lane, 2-Way Roadway, 70 mph

  • 49-3C    Barrier Warrant for Embankment for Roadway of 4 or more Lanes, Divided or Undivided

  • 49-3D    Preferred Narrow-Width Ditch Cross Section

  • 49-3E    Preferred Medium-Width Ditch Cross Section

  • 49-3F    Preferred Wide-Width Ditch Cross Section

  • 49-3G    Large-Culvert End within Clear Zone

  • 49-3H    Culvert End Treatment, Median Section

  • 49-3 I    Clear-Zone/Barrier at Culvert

  • 49-3 J    Culvert End Treatment, Longitudinal Structure

  • 49-3K    Bridge Pier or Spillslope Clearance, New Construction

  • 49-3L     Treatment at Existing Bridge Cone,
    Slopewall ≥ 30 ft from Travel Lane

  • 49-3M    Treatment at Existing Bridge Cone,
    10 ft ≤ Slopewall < 30 ft from Travel Lane

  • 49-3N    Treatment at Existing Bridge Cone with Shoulder Pier

  • 49-3 O   Gore-Area Treatment

  • 49-3P    Breakaway Support Stub Clearance Diagram

  • 49-3Q    Light-Standard Treatment, Fill Slope 4:1 or Steeper

  • 49-3R    Shoulder Wedges

  • 49-4A    Barrier Deflections

  • 49-4B    Barrier Placement at Curb

  • 49-4C    Barrier Length of Need

  • 49-4D    Barrier Length of Need in Advance of Hazard

  • 49-4E    Design Elements for Barrier Length of Need

  • 49-4E(1) Minimum Guardrail Length Required in Advance of Hazard

  • 49-4E(2) Guardrail configuration for Outside-Shoulder Approach to Bridge

  • 49-4E(3) Guardrail Configuration and Length of Need for Median-Shoulder Approach to Bridge

  • 49-4E(4) Guardrail Configuration for Bridge Support Inside Clear Zone, Two-Way Roadway, Single Overhead Structure

  • 49-4E(5) Guardrail Configuration for Bridge Support Inside Clear Zone, Two-Way Roadway, Twin Overhead Structures

  • 49-4E(6) Guardrail Configuration for Bridge Support Inside Clear Zone, One-Way Roadway, Single Overhead Structure, Outside Shoulder

  • 49-4E(7) Guardrail Configuration for Bridge Support Inside Clear Zone, One-Way Roadway, Twin Overhead Structures, Outside Shoulder

  • 49-4E(8) Guardrail Configuration for Bridge Support Inside Clear Zone, One-Way Roadway, Single Overhead Structure, Median Shoulder

  • 49-4E(9) Guardrail Configuration for Bridge Support Inside Clear Zone, One-Way Roadway, Twin Overhead Structures, Median Shoulder

  • 49-4E(10) Guardrail Pay Length for Approach to Bridge Support Inside Clear Zone

  • 49-4F    Barrier Flare Rates

  • 49-4G    Barrier Layout, Bridge Approach

  • 49-4H    Barrier Layout, Fixed Object on Horizontal Curve

  • 49-4 I   Barrier Length Beyond Hazard, 2-Lane Roadway

  • 49-4 J   Barrier Length Beyond Hazard, Divided Highway

  • 49-4K    Length of need Requirement for Pier Protection

  • 49-4L    Barrier Length of need,
    Structure-Approach Example 49-4.1

  • 49-4M    Barrier Length of Need,
    Fill-Slope Example 49-4.2

  • 49-4N    Barrier Length of need,
    Box-Culvert Example 49-4.3

  • 49-5A    NCHRP 350 Test Level Crash-Test Criteria

  • 49-6A    Median-Barrier Warrants

  • 49-6B    Grade Traffic-Adjustment Factor and Curvature Traffic-Adjustment Factor

  • 49-6C    Traffic-Adjustment Factor, Deck Height, and Under-Structure Shoulder Height Conditions

  • 49-6D(30)  Median-Barrier or Bridge-Railing Test-Level Selection, Design Speed 30 mph

  • 49-6D(40)  Median-Barrier or Bridge-Railing Test-Level Selection, Design Speed 40 mph

  • 49-6D(45)  Median-Barrier or Bridge-Railing Test-Level Selection, Design Speed 45 mph

  • 49-6D(50)  Median-Barrier or Bridge-Railing Test-level Selection, Design Speed 50 mph

  • 49-6D(55)  Median-Barrier or Bridge-Railing Test-Level Selection, Design Speed 55 mph

  • 49-6D(60)  Median-Barrier or Bridge-Railing Test-Level Selection, Design Speed 60 mph

  • 49-6D(70)  Median-Barrier or Bridge-Railing
    Test-Level Selection, Design Speed 70 mph

  • 49-6E    Truck-Height Concrete Median-Barrier
    Example 49-6.1

  • 49-6F    Cutoff Angle for Glare Screen

  • 49-7A    Collision-Wall Detail

  • 49-8A    Guardrail End Treatment Type OS or MS for Curved Guardrail Run

  • 49-8B    Clear Recovery Area Behind Guardrail

  • 49-8C    Impact-Attenuator Offsets

  • 49-8D    Impact-Attenuator Type Determination

  • 49-8E    Impact-Attenuator Footprint Requirements

  • 49-8F    Pier Protection Requirements

  • 49-9A    Bridge-Railing-End Protection Requirements

  • 49-9B    Public-Road Approach Application at or Beyond the Control Line

  • 49-9C    Public-Road Approach Application within the Control Line

  • 49-9D    Drive Application at or Beyond the Control Line

  • 49-9E    Drive Application within the Control Line

  • 49-9F    Median Bridge-Approach Criteria

  • 49-10A   Basic Data Input Screen

  • 49-10B   Variable Data Input Screen

  • 49-10C   Yaw Angle

  • 49-10D   Input Data Index

  • 49-10E   Suggested Lane Distribution

  • 49-10F   4-Lane Divided Highway

  • 49-10G   6-Lane Divided Highway

  • 49-10H   Severity Indices
    (Rigid Barrier and Guardrail Parallel to Roadway)

  • 49-10 I   Severity Indices
    (Guardrail End Treatments)

  • 49-10 J   Severity Indices
    (Impact Attenuators)

  • 49-10K   Severity Indices
    (Parallel Slopes)

  • 49-10L   Severity Indices
    (Transverse Slopes)

  • 49-10M   Severity Indices
    (Ditches)

  • 49-10N   Severity Indices
    (Culverts and Miscellaneous Drainage Items)

  • 49-10O   Severity Indices
    (Utility, Sign, and Luminaire Support Fixed Objects)

  • 49-10P   Severity Indices
    (Miscellaneous Fixed Objects)

  • 49-10Q   Repair Costs

  • 49-10R   Summary of Input Variable Relative Significance

  • 49-11A   Backup Data for Figure 49-3B(40)

  • 49-11B   Backup Data for Figure 49-3B(45)

  • 49-11C   Backup Data for Figure 49-3B(50)

  • 49-11D   Backup Data for Figure 49-3B(60)

  • 9-11E   Backup Data for Figure 59-3B(65)

  • 49-11F   Backup Data for Figure 49-3B(70)

  • 49-11G   Severity Indices

  •