I am always amazed at the construction of underwater tunneling. A fascination technology that just keeps getting better.
Regardless if the cost, it is miniscule compared to the money that will be generated through time saving travel through the years. In 10 years we as a nation have wasted almost a trillion dollars on wasteful climate change eco friendly crap that has amounted to nothing but driving up the cost of living for every American in the country.
Yup, and often it quiets down the area. Regardless, cars stuck in jams get zero fuel economy, and the value of the time lost by drivers and any passengers becomes an avoided cost and unlikely to be quantified accurately.