Transcript KEY ASPECTS OF NAVIGATION - FRC-B FRC FRC = Functional Road Class Creates a hierarchy for roads and ferries Based on importance in the total.

KEY ASPECTS OF NAVIGATION
- FRC-B
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FRC
FRC = Functional Road Class
Creates a hierarchy for roads and ferries
Based on importance in the total road network
Captured for all roads
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FRC Classification
Database representation of classification of roads and ferries
FRC-A
• based on importance that the constituting roads and ferries have in the total network
FRC-B
• based on the role of roads in a local/regional street network
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FRC-B Subdivision
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FRC-B Capturing Rules
Capturing Rules
-To be captured for each captured Road Element and each captured
Ferry Connection
-Has to be independent of restrictions as pedestrian malls, not public
accessible, residents only, addressable footpath.
-Highest Functional Road Class-B is related to the administrative class
Motorway.
- Each class has to form a Closed graph if possible.
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FRC-B of Connectors

A Road Element representing a connector which only connects both lanes of a multi
carriageway shall get the same Functional Road Class-B value as the multi
carriageway.

A Road Element representing a connector which connects also other roads shall get
the same Functional Road Class-B value as the connecting road with the highest
Functional Road Class-B value.

A Road Element representing a connector connected to a path way, stairs or a
pedestrian tunnel or bridge and which can be used to make U-turns on the multi
carriageway, shall get the same Functional Road Class-B value as the multi
carriageway.
Legend
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FRC-B of Connectors For U turn
 In case the connector is mainly designed to perform a U-turn,
meant to ensure connectivity between two intersecting roads, the
connector shall get the road class of the Dual Carriageway, even
when connector is ensuring connectivity with another intersecting
road with a lower class.
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#7
FRC-B of Roads Elements with Form of Way Entrance
to/Exit from a Car Park
 Road Elements with Form of Way Entrance to/Exit from a Car Park
shall have the same FRC-B value as the road performing the
access to the entrance to/exit from the parking facility.
 If different roads with different FRC-B values perform the access to
the entrance to/exit from the parking facility, the Road Elements
with Form of Way Entrance to/Exit from a Car Park shall have the
same FRC-B value as the access road with the lowest FRC-B
value.
 A rest area road of which an access and an exit is located at a
motorway, shall always have FRC-B Main Road.
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Questions
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