on_trade_route_trigger = {
	OR = {
		trade_route = silk_road
		trade_route = trans_saharan_trade_route
		trade_route = byzantine_roads
		trade_route = via_imperii
		trade_route = transalpine_road
		trade_route = french_road
		trade_route = via_regia
		trade_route = galician_road
		trade_route = roman_roads
		trade_route = iberian_route
		trade_route = valencian_road
		trade_route = slavic_route
		trade_route = varangian_route
		trade_route = occitan_route
		trade_route = volga_route
		trade_route = claudian_road
		trade_route = kings_road
		trade_route = oka_route
		trade_route = hajj_routes
		trade_route = nile_river
		trade_route = baltic_trade
		trade_route = horse_tea_route
		trade_route = spice_route
		trade_route = uttarapatha
		trade_route = dakshinapatha
	}
}