all roads south of 37.46089001026226, -77.4236686987961 are not public roadways. They are on Richmond Marine Terminal, which is a restricted facility. You are not able to walk or ride a bicycle within the terminal, as they do not allow anyone who does not have a business purpose with the Port on terminal. Anything south of 37.46089001026226, -77.4236686987961 is inaccessible.