It is approximately 108 miles from Salisbury to downtown Baltimore City. It should take a little over two hours to drive this distance without any traffic. If the Chesapeake Bay Bridge is busy (summer months), the drive time may be significantly longer.
The law clearly states a permitted drive must drive with a license driver at all times. You also are not permitted to drive after dark. One policeman is not the law in Maryland and you will find that out the next time you get pulled over and its costly.
When an individual drives on expired tags in Maryland, there will not be a penalty fee. It is illegal to drive with expired tags, however. Registration renewal can be completed over the phone, by mail or online.