Highway is related to Limit. Limit is related to Point. 
Walk is related to Action. Action is related to Prevent. Exclude is a type of Prevent. Exclude is a type of Eliminate. 
Highway <--RelatedTo--> Limit <--RelatedTo--> Point 
Walk <--RelatedTo--> Action <--RelatedTo--> Prevent <--IsA-- Exclude --IsA--> Eliminate 