Stuck on two...
18D..Pa is the chief executive in Pennsylvania
?O?E?N??.......I am thinking Governer but can't see why.
29A..Transport going west that's inside Washington
M???H?
It could be that the chief exec of (I think) all of the States is the governor; plus, 'the governor' is a slang expression for your father, hence Pa; plus, Pa is the abbreviation for Pennsylvania and hence it was named when any State would have done.