file.rb

require 'httparty'

def print_traffic_nl(road_name, road_type, total_length)
	puts "nl_traffic_jam_kilometers{road_type=\"#{road_type}\",road_name=\"#{road_name}\"} #{total_length}"
end

response = HTTParty.get('http://api.routeradar.nl/api/v1/reports?query_type=overview')
response.parsed_response.each do |tra|
	next if tra['type'] != 'jam'

	print_traffic_nl(tra['road_location']['road_name'], tra['road_location']['road_type'], tra['total_length'])
end