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EA:  ROAD_INTERCHANGE_TYPE

Status: STD 2005/06/07
Code: 1117

Concept definition: The physical arrangement of a <ROAD_INTERCHANGE>; road interchange type.
 
Attribute value type: ENUMERATION
Reference type: IR
Reference: [FACC, Annex B: RIT]
Supplemental references:  

Enumerants (presented in a natural order)
Status Attribute label Enumerant label Concept definition Code ▾ Ref type Reference Supplemental references
STD
2005/06/07
ROAD_INTERCHANGE_TYPE STANDARD_RAMPS Consists of a set of <RAMP>s, and possibly <OVERPASS>s, allowing traffic to flow with limited or no restrictions between two crossing or meeting <ROAD>s; standard ramps. 6 IR [FACC, Annex B, RIT:6] [DFAD, FID: 230]
STD
2005/06/07
ROAD_INTERCHANGE_TYPE SYMMETRICAL_RAMPS Consists of two <ROAD>s crossing at separate vertical levels and a <SET> of four paired <RAMP>s for traffic to flow from either <DIRECTION> on one <ROAD> to stopping <LOCATION>s from which a turn in either <DIRECTION> on the other <ROAD> may be made; symmetrical ramps. 7 IR [FACC, Annex B, RIT:7] [DFAD, FID: 238]
STD
2005/06/07
ROAD_INTERCHANGE_TYPE TRUMPET Consists of a <ROAD> where a second <ROAD> originates and four <RAMP>s and an <OVERPASS> allow traffic to flow without stopping from either <DIRECTION> on either <ROAD> to either <DIRECTION> on the other <ROAD>; trumpet. 8 IR [FACC, Annex B, RIT:8] [DFAD, FID: 237]
STD
2005/06/07
ROAD_INTERCHANGE_TYPE TURBAN Consists of two <ROAD>s crossing at an angle at separate vertical levels and a <SET> of four radially symmetric <RAMP>s and two <OVERPASS>s for traffic to flow without stopping from either <DIRECTION> on the upper <ROAD> to either <DIRECTION> on the lower <ROAD> and with <RAMP>s from the lower <ROAD> only provided for traffic to flow from either <DIRECTION> to only two of the four directions on the upper <ROAD>; turban. 9 IR [FACC, Annex B, RIT:9] [DFAD, FID: 234]
STD
2005/06/07
ROAD_INTERCHANGE_TYPE WYE Consists of three <ROAD>s meeting at the same vertical level and a <SET> of six <RAMP>s and associated (typically three) <OVERPASS>s for traffic to flow without stopping from either <DIRECTION> on either <ROAD> to either <DIRECTION> on another <ROAD>; wye. 10 IR [FACC, Annex B, RIT:10] [DFAD, FID: 236]

Group membership:

In addition to the status and date information for each entry, a colour coding scheme highlights the database holding to which an entry belongs. The following highlight colours are used:

  • white - the entry is in the standard
  • yellow - the entry has been added to the register
  • pink - the entry has been submitted for inclusion in the register, but it is not approved
  • cyan - a deprecated entry that was originally either in the standard or was added to the register, but has since been deprecated

The following icons are used to identify items that have figures, modifications and/or clarification notes:

  • F n - has Figures and, if more than one figure, n figures
  • M - has Modifications
  • C - has Clarifications

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