Section 3. Voter not subject to arrest on civil process

No voter, during the continuance of an election at which he is entitled to vote, or during the time necessary and convenient for going to and returning from the same, shall be subject to arrest upon civil process, or be compelled to attend any court, or judicial proceeding, as suitor, juror or witness; or to work upon the public roads; or, except in time of war or public danger, to render military service.