There is a MAJOR difference between personal reading of the Bible to yourself and preaching to people at the DMV.
The whole point of public reading is for public hearing and for the purpose of a positive response to that reading--a cursory reading of the Old Testament prophets will show what God's intent was and is concerning the public proclamation of His Word...
“There is a MAJOR difference between personal reading of the Bible to yourself and preaching to people at the DMV.”
Both are legal.