>>47894582Artowkr of Kanto from back in the 90s implied part of Cycling Road was a bridge that would raise to let ships over.
Though the game itself, especially remakes, and even modern artwork of Kanto completely forget this and it's just landlocked and looks like shit.
They left it to our imagination to fill in the gap from lack of technology. then when they got the technology they were too incompetent to do it correctly because muh faithful gen one.