What do you mean by higher latency? What do you think the latency for the Las Vegas loop would be if it needs to carry 1000 passengers over e.g. 20min? Sure if

What do you mean by higher latency? What do you think the latency for the Las Vegas loop would be if it needs to carry 1000 passengers over e.g. 20min? Sure if there's only 5 people waiting it's quicker, but if there is only 5 people wanting to go a certain path, why do we need a tunnel at all? The road would be faster. The whole point to build tunnels is to take away congestion.