Proposition 133 would nullify the creation of open primaries and enshrine the current partisan primary system in the state constitution. It also would require Arizona cities, which currently stage open primaries, to adopt a partisan primary system. Instead, the status quo for primaries appears set to continue.

This proposition would amend the state Constitution to allow for open primaries, in which any eligible voter could vote for any candidate regardless of party.

Two competing propositions dealing with Arizona's primary elections are both getting strong pushback from voters in early returns Tuesday night. Both Proposition 133, which would protect partisan primaries,