Applying Clustered KNN Algorithm for Short-Term Travel Speed Prediction and Reduced Speed Detection on Urban Arterial Road Work Zones

Table 1

Field items of standard link data.

Field name	Description	Field name	Description
LINK_ID	Link ID	ROAD_NAME	Road name
F_NODE	Start node ID	ROAD_TYPE	Road type
T_NODE	End node ID	MAX_SPD	Max. speed limit
LANES	Number of lanes	REST_VEH	Restricted vehicle
ROAD_RANK	Road grade	REST_W	Restricted width
ROAD_NO	Road number	REST_H	Restricted height