Corridor

Child Classes

Property Sets

Applicability

This specification applies to all Corridors. It also addresses the child class Lane. It also addresses the child class Shoulder.

Child Classes

Lane

This child class inherits the requirements defined for the parent element.

Shoulder

This child class inherits the requirements defined for the parent element.

Property Set: Corridor Information

ID Description Type Units Cardinality
corridor-section-id Unique identification of the corridor section or template for placement of road sections and other roadside components. String   required
number-of-shoulders Total count of individual shoulders on a roadway Integer   required
number-of-lanes Total count of individual lanes designated for vehicular traffic on a roadway Integer   required

Requirements

  • All Corridors must have the property Corridor Section ID in the set Corridor Information.
  • All Corridors must have the property Number of Shoulders in the set Corridor Information.
  • All Corridors must have the property Number of Lanes in the set Corridor Information.

Property Details

Corridor Section ID

Unique identification of the corridor section or template for placement of road sections and other roadside components. Requirement: All Corridors must have the property Corridor Section ID in the set Corridor Information.

Number of Shoulders

Total count of individual shoulders on a roadway Requirement: All Corridors must have the property Number of Shoulders in the set Corridor Information.

Number of Lanes

Total count of individual lanes designated for vehicular traffic on a roadway Requirement: All Corridors must have the property Number of Lanes in the set Corridor Information.

Property Set: Corridor Width

ID Description Type Units Cardinality
total-width-of-roadway Refers to the total width of a roadway typically includes all the lanes, shoulders, and any other designated areas for vehicles. Real Feet required
out-to-out-width Refers to the total width of a structure or roadway, measured from the outermost edge on one side to the outermost edge on the other side. This measurement includes all elements of the structure, such as lanes, shoulders, barriers, and any other features that extend to the outer edges. Essentially, it captures the full width of the structure or roadway as it spans from one side to the other Real Feet optional
limits-of-construction Boundary that designates specific area for construction activities. Real Feet optional
row-to-row-width Refers to distances between ROW lines along a roadway corridor. Real Feet optional
clear-zone-width The roadside border area, starting at the edge of the traveled way, available for safe use by errant vehicles. This area may consist of a shoulder, recoverable slope, nonrecoverable slope, clear runout area, or combination thereof. Although it is desirable to maximize the available clear zone, minimum width requirements are dependent on the traffic volumes and speeds and on the roadside geometry. Real Feet optional

Requirements

  • All Corridors must have the property Total Width of Roadway in the set Corridor Width.
  • All Corridors may have the property Out-to-Out Width in the set Corridor Width.
  • All Corridors may have the property Limits of Construction in the set Corridor Width.
  • All Corridors may have the property ROW-to-ROW Width in the set Corridor Width.
  • All Corridors may have the property Clear Zone Width in the set Corridor Width.

Property Details

Total Width of Roadway

Refers to the total width of a roadway typically includes all the lanes, shoulders, and any other designated areas for vehicles. Requirement: All Corridors must have the property Total Width of Roadway in the set Corridor Width.

Out-to-Out Width

Refers to the total width of a structure or roadway, measured from the outermost edge on one side to the outermost edge on the other side. This measurement includes all elements of the structure, such as lanes, shoulders, barriers, and any other features that extend to the outer edges. Essentially, it captures the full width of the structure or roadway as it spans from one side to the other Requirement: All Corridors may have the property Out-to-Out Width in the set Corridor Width.

Limits of Construction

Boundary that designates specific area for construction activities. Synonyms: Width to end of end conditions / limits of disturbance / existing ground Requirement: All Corridors may have the property Limits of Construction in the set Corridor Width.

ROW-to-ROW Width

Refers to distances between ROW lines along a roadway corridor. Requirement: All Corridors may have the property ROW-to-ROW Width in the set Corridor Width.

Clear Zone Width

The roadside border area, starting at the edge of the traveled way, available for safe use by errant vehicles. This area may consist of a shoulder, recoverable slope, nonrecoverable slope, clear runout area, or combination thereof. Although it is desirable to maximize the available clear zone, minimum width requirements are dependent on the traffic volumes and speeds and on the roadside geometry. Reference: AASTHO Transportation Glossary, 4th Edition-2009 Requirement: All Corridors may have the property Clear Zone Width in the set Corridor Width.

Property Set: Corridor Stations

ID Description Type Units Cardinality
corridor-station-range-start refers to the start of a specific segment or section of a roadway or project that is defined by two station points Real Stationing required
corridor-station-range-end refers to a specific segment or section of a roadway or project that is defined by two station points Real Stationing required

Requirements

  • All Corridors must have the property Corridor Station Range - Start in the set Corridor Stations.
  • All Corridors must have the property Corridor Station Range - End in the set Corridor Stations.

Property Details

Corridor Station Range - Start

refers to the start of a specific segment or section of a roadway or project that is defined by two station points Requirement: All Corridors must have the property Corridor Station Range - Start in the set Corridor Stations.

Corridor Station Range - End

refers to a specific segment or section of a roadway or project that is defined by two station points Requirement: All Corridors must have the property Corridor Station Range - End in the set Corridor Stations.

Property Set: Super Elevation Controls

ID Description Type Units Cardinality
point-of-rotation-to-right-edge-of-roadway The horizontal measurement from the Horizontal Control Line to the Right Edge to determine the lateral position of the right edge of the roadway from the Horizontal Control Line . Real Feet required
left-edge-of-roadway-to-point-of-rotation The horizontal measurement from the Left Edge to the Horizontal Control Line to determine the lateral position of the Horizontal Control Line from the left edge of the roadway. Real Feet required
point-of-rotation-por-to-horizontal-control-line-hcl The measurement from the Horizontal Control Line to Point of Rotation. Real Feet required
left-edge-of-roadway-to-theoretical-grade-line-tgl The horizontal measurement from the Left Edge to the Theoretical Grade Line to determine the lateral position of the Theoretical Grade Line from the left edge of the roadway. Real Feet required
theoretical-grade-line-tgl-to-right-edge-of-roadway The horizontal measurement from the Theoretical Grade Line to the Right Edge to determine the lateral position of the right edge of the roadway from the Theoretical Grade Line. Real Feet required

Requirements

  • All Corridors must have the property Point of Rotation to Right Edge of Roadway in the set Super Elevation Controls.
  • All Corridors must have the property Left Edge of Roadway to Point of Rotation in the set Super Elevation Controls.
  • All Corridors must have the property Point of Rotation (POR) to Horizontal Control Line (HCL) in the set Super Elevation Controls.
  • All Corridors must have the property Left Edge of Roadway to Theoretical Grade Line (TGL) in the set Super Elevation Controls.
  • All Corridors must have the property Theoretical Grade Line (TGL) to Right Edge of Roadway in the set Super Elevation Controls.

Property Details

Point of Rotation to Right Edge of Roadway

The horizontal measurement from the Horizontal Control Line to the Right Edge to determine the lateral position of the right edge of the roadway from the Horizontal Control Line . Requirement: All Corridors must have the property Point of Rotation to Right Edge of Roadway in the set Super Elevation Controls.

Left Edge of Roadway to Point of Rotation

The horizontal measurement from the Left Edge to the Horizontal Control Line to determine the lateral position of the Horizontal Control Line from the left edge of the roadway. Requirement: All Corridors must have the property Left Edge of Roadway to Point of Rotation in the set Super Elevation Controls.

Point of Rotation (POR) to Horizontal Control Line (HCL)

The measurement from the Horizontal Control Line to Point of Rotation. Requirement: All Corridors must have the property Point of Rotation (POR) to Horizontal Control Line (HCL) in the set Super Elevation Controls.

Left Edge of Roadway to Theoretical Grade Line (TGL)

The horizontal measurement from the Left Edge to the Theoretical Grade Line to determine the lateral position of the Theoretical Grade Line from the left edge of the roadway. Requirement: All Corridors must have the property Left Edge of Roadway to Theoretical Grade Line (TGL) in the set Super Elevation Controls.

Theoretical Grade Line (TGL) to Right Edge of Roadway

The horizontal measurement from the Theoretical Grade Line to the Right Edge to determine the lateral position of the right edge of the roadway from the Theoretical Grade Line. Requirement: All Corridors must have the property Theoretical Grade Line (TGL) to Right Edge of Roadway in the set Super Elevation Controls.

Property Set: Lane Information

ID Description Type Units Cardinality
lane-width The width allocated to a single lane of travel for vehicles or shoulder Real Feet required
lane-use Utilization of lane including travel, auxiliary, turn, merge, parking, etc. String   required

Requirements

  • All Lanes must have the property Lane Width in the set Lane Information.
  • All Lanes must have the property Lane Use in the set Lane Information with a value being one of Travel, Auxiliary, Buffer, Turn, Merge, Bike, Shared Use, Parking.

Property Details

Lane Width

The width allocated to a single lane of travel for vehicles or shoulder Reference: https://nacto.org/publication/urban-street-design-guide/street-design-elements/lane-width/ Requirement: All Lanes must have the property Lane Width in the set Lane Information.

Lane Use

Utilization of lane including travel, auxiliary, turn, merge, parking, etc. Synonyms: Lane Type Reference: TPF-5(480) SME Consensus Definition Requirement: All Lanes must have the property Lane Use in the set Lane Information with a value being one of Travel, Auxiliary, Buffer, Turn, Merge, Bike, Shared Use, Parking.

Property Set: Lane Offsets

ID Description Type Units Cardinality
centerline-offset-from-horizontal-control-line-hcl The measurement between the central axis of the roadway and a predefined reference line. Real Feet required
crown-offset-from-horizontal-control-line-hcl The measurement between the high point of a normal cross slope      
of a roadway and a predefined reference line. Real Feet optional  
point-of-rotation-por-from-horizontal-control-line-hcl The measurement from the point where the cross slope changes to a predefined reference line. Real Feet optional
theoretical-grade-line-tgl-from-horizontal-control-line-hcl The measurement from the designed profile line to a predefined reference line. Real Feet optional

Requirements

  • All Lanes must have the property Centerline Offset from Horizontal Control Line (HCL) in the set Lane Offsets.
  • All Lanes may have the property Crown Offset from Horizontal Control Line (HCL) in the set Lane Offsets.
  • All Lanes may have the property Point of Rotation (POR) from Horizontal Control Line (HCL) in the set Lane Offsets.
  • All Lanes may have the property Theoretical Grade Line (TGL) from Horizontal Control Line (HCL) in the set Lane Offsets.

Property Details

Centerline Offset from Horizontal Control Line (HCL)

The measurement between the central axis of the roadway and a predefined reference line. Requirement: All Lanes must have the property Centerline Offset from Horizontal Control Line (HCL) in the set Lane Offsets.

Crown Offset from Horizontal Control Line (HCL)

The measurement between the high point of a normal cross slope of a roadway and a predefined reference line. Requirement: All Lanes may have the property Crown Offset from Horizontal Control Line (HCL) in the set Lane Offsets.

Point of Rotation (POR) from Horizontal Control Line (HCL)

The measurement from the point where the cross slope changes to a predefined reference line. Requirement: All Lanes may have the property Point of Rotation (POR) from Horizontal Control Line (HCL) in the set Lane Offsets.

Theoretical Grade Line (TGL) from Horizontal Control Line (HCL)

The measurement from the designed profile line to a predefined reference line. Requirement: All Lanes may have the property Theoretical Grade Line (TGL) from Horizontal Control Line (HCL) in the set Lane Offsets.

Property Set: Lane Slopes

ID Description Type Units Cardinality
distance-to-end-of-slope-transition The horizontal measurement from the point where the grade starts to change to its conclusion. Real Feet optional
rate-of-change-of-slope The algebraic difference of grade per unit of distance. Real   optional
horizontal-width-of-slope The distance from the start of the grade transition to the end of grade transition measured in a level plane. Real Feet optional
start-of-slope-transition The point where the grade starts to change from one grade to another. Real Stationing optional
slope The transverse slope and/or superelevation described by the roadway section geometry. Real   required

Requirements

  • All Lanes may have the property Distance to End of Slope Transition in the set Lane Slopes.
  • All Lanes may have the property Rate of Change of Slope in the set Lane Slopes.
  • All Lanes may have the property Horizontal Width of Slope in the set Lane Slopes.
  • All Lanes may have the property Start of Slope Transition in the set Lane Slopes.
  • All Lanes must have the property Slope in the set Lane Slopes.

Property Details

Distance to End of Slope Transition

The horizontal measurement from the point where the grade starts to change to its conclusion. Requirement: All Lanes may have the property Distance to End of Slope Transition in the set Lane Slopes.

Rate of Change of Slope

The algebraic difference of grade per unit of distance. Requirement: All Lanes may have the property Rate of Change of Slope in the set Lane Slopes.

Horizontal Width of Slope

The distance from the start of the grade transition to the end of grade transition measured in a level plane. Requirement: All Lanes may have the property Horizontal Width of Slope in the set Lane Slopes.

Start of Slope Transition

The point where the grade starts to change from one grade to another. Requirement: All Lanes may have the property Start of Slope Transition in the set Lane Slopes.

Slope

The transverse slope and/or superelevation described by the roadway section geometry. Reference: AASTHO Transportation Glossary, 4th Edition-2009 Requirement: All Lanes must have the property Slope in the set Lane Slopes.

Property Set: Shoulder Information

ID Description Type Units Cardinality
shoulder-width The width allocated to a single lane of travel for vehicles or shoulder Real Feet required
shoulder-use Utilization of lane including travel, auxiliary, turn, merge, parking, etc. String   required

Requirements

  • All Shoulders must have the property Shoulder Width in the set Shoulder Information.
  • All Shoulders must have the property Shoulder Use in the set Shoulder Information with a value being one of Travel, Auxiliary, Buffer, Turn, Merge, Bike, Shared Use, Parking.

Property Details

Shoulder Width

The width allocated to a single lane of travel for vehicles or shoulder Reference: https://nacto.org/publication/urban-street-design-guide/street-design-elements/lane-width/ Requirement: All Shoulders must have the property Shoulder Width in the set Shoulder Information.

Shoulder Use

Utilization of lane including travel, auxiliary, turn, merge, parking, etc. Synonyms: Lane Type Reference: TPF-5(480) SME Consensus Definition Requirement: All Shoulders must have the property Shoulder Use in the set Shoulder Information with a value being one of Travel, Auxiliary, Buffer, Turn, Merge, Bike, Shared Use, Parking.

Property Set: Shoulder Offsets

ID Description Type Units Cardinality
centerline-offset-from-horizontal-control-line-hcl The measurement between the central axis of the roadway and a predefined reference line. Real Feet required
crown-offset-from-horizontal-control-line-hcl The measurement between the high point of a normal cross slope      
of a roadway and a predefined reference line. Real Feet optional  
point-of-rotation-por-from-horizontal-control-line-hcl The measurement from the point where the cross slope changes to a predefined reference line. Real Feet optional
theoretical-grade-line-tgl-from-horizontal-control-line-hcl The measurement from the designed profile line to a predefined reference line. Real Feet optional

Requirements

  • All Shoulders must have the property Centerline Offset from Horizontal Control Line (HCL) in the set Shoulder Offsets.
  • All Shoulders may have the property Crown Offset from Horizontal Control Line (HCL) in the set Shoulder Offsets.
  • All Shoulders may have the property Point of Rotation (POR) from Horizontal Control Line (HCL) in the set Shoulder Offsets.
  • All Shoulders may have the property Theoretical Grade Line (TGL) from Horizontal Control Line (HCL) in the set Shoulder Offsets.

Property Details

Centerline Offset from Horizontal Control Line (HCL)

The measurement between the central axis of the roadway and a predefined reference line. Requirement: All Shoulders must have the property Centerline Offset from Horizontal Control Line (HCL) in the set Shoulder Offsets.

Crown Offset from Horizontal Control Line (HCL)

The measurement between the high point of a normal cross slope of a roadway and a predefined reference line. Requirement: All Shoulders may have the property Crown Offset from Horizontal Control Line (HCL) in the set Shoulder Offsets.

Point of Rotation (POR) from Horizontal Control Line (HCL)

The measurement from the point where the cross slope changes to a predefined reference line. Requirement: All Shoulders may have the property Point of Rotation (POR) from Horizontal Control Line (HCL) in the set Shoulder Offsets.

Theoretical Grade Line (TGL) from Horizontal Control Line (HCL)

The measurement from the designed profile line to a predefined reference line. Requirement: All Shoulders may have the property Theoretical Grade Line (TGL) from Horizontal Control Line (HCL) in the set Shoulder Offsets.

Property Set: Shoulder Slopes

ID Description Type Units Cardinality
distance-to-end-of-slope-transition The horizontal measurement from the point where the grade starts to change to its conclusion. Real Feet optional
rate-of-change-of-slope The algebraic difference of grade per unit of distance. Real   optional
horizontal-width-of-slope The distance from the start of the grade transition to the end of grade transition measured in a level plane. Real Feet optional
start-of-slope-transition The point where the grade starts to change from one grade to another. Real Stationing optional
slope The transverse slope and/or superelevation described by the roadway section geometry. Real   required

Requirements

  • All Shoulders may have the property Distance to End of Slope Transition in the set Shoulder Slopes.
  • All Shoulders may have the property Rate of Change of Slope in the set Shoulder Slopes.
  • All Shoulders may have the property Horizontal Width of Slope in the set Shoulder Slopes.
  • All Shoulders may have the property Start of Slope Transition in the set Shoulder Slopes.
  • All Shoulders must have the property Slope in the set Shoulder Slopes.

Property Details

Distance to End of Slope Transition

The horizontal measurement from the point where the grade starts to change to its conclusion. Requirement: All Shoulders may have the property Distance to End of Slope Transition in the set Shoulder Slopes.

Rate of Change of Slope

The algebraic difference of grade per unit of distance. Requirement: All Shoulders may have the property Rate of Change of Slope in the set Shoulder Slopes.

Horizontal Width of Slope

The distance from the start of the grade transition to the end of grade transition measured in a level plane. Requirement: All Shoulders may have the property Horizontal Width of Slope in the set Shoulder Slopes.

Start of Slope Transition

The point where the grade starts to change from one grade to another. Requirement: All Shoulders may have the property Start of Slope Transition in the set Shoulder Slopes.

Slope

The transverse slope and/or superelevation described by the roadway section geometry. Reference: AASTHO Transportation Glossary, 4th Edition-2009 Requirement: All Shoulders must have the property Slope in the set Shoulder Slopes.