Preferred truck routes feature class (Preferred_Truck_Routes)

The Preferred_Truck_Routes is a feature class built from links identified as part of a preferred truck route. The types of routes vary between countries.

A road segment can also be part of a general transport preferred route, and may be part of multiple preferred truck routes. Preferred_Truck_Routes information is also held on Streets and routing_streets and built into the HERE GIS Data Suite network dataset.

For a description of the attributes OBJECTID, Shape, and GlobalID, see Esri® system fields.

Field name	Data type	Description
PREFERRED_ROUTE_TYPE	String (35)	Description of the preferred route type, for example B Double Route, Unspecified (general truck route)
FUNCTIONAL_CLASS	Integer (4)	The functional class of street segments defines the segment's role within the hierarchical street network dataset and determine logical and efficient routes in routing applications. FUNCTIONAL_CLASS = 1 roads allow for high volume, maximum speed traffic movement between and through major metropolitan areas. FUNCTIONAL_CLASS 1 roads have very few, if any, speed changes. FUNCTIONAL_CLASS 2 roads channel traffic to roads with FUNCTIONAL_CLASS 1 for travel between and through cities in the shortest amount of time. FUNCTIONAL_CLASS 2 roads have very few, if any speed changes that allow for high volume, high speed traffic movement. FUNCTIONAL_CLASS 3 roads interconnect FUNCTIONAL_CLASS 2 roads and provide a high volume of traffic movement at a lower level of mobility than FUNCTIONAL_CLASS 2 roads. FUNCTIONAL_CLASS 4 roads provide for a high volume of traffic movement at moderate speeds between neighbourhoods. These roads connect with higher functional class roads to collect and distribute traffic between neighbourhoods. FUNCTIONAL_CLASS 5 roads' volume and traffic movement are below the level of any other functional class. In addition, walkways, truck only roads, bus only roads, and emergency vehicle only roads receive FUNCTIONAL_CLASS 5 roads.
ISO_COUNTRY_CODE	String (3)	ISO 3 character country code