A public house is another name for a bar, pub or inn. If its closed until further notice then it won't be open until someone (probably the owner, but maybe the local licencing authority) advises to the contrary.
Alight means to disembark or get off, so it makes sense not to do this while travelling down the freeway! (I must admit I thought you may have had your tongue in your cheek when you asked this question!
Articles deposited etc. Appears to refer either to a left luggage office or a cloakroom at a dance hall or similar place where you leave an article. They want their money in advance in case you don't come back!
Student or Learner