Extract road endpoints

This function extracts the endpoints of a set of roads. It identifies and counts the roads that intersect at each endpoint.

Usage

extract_road_endpoints(roads)

Arguments

roads

A linestring object representing roads. It should be have a column named road_id.

Value

A points object representing road endpoints. Each endpoint has the following columns:

• parent_road: A list of road IDs that intersect at the endpoint.

• num_overlaps: The number of roads that intersect at the endpoint.