The two Democrats on the Vigo County Election Board voted in favor of the plan, but the decision has to be unanimous.
Voter accessibility concerns raised by county Republicans have been one reason Monroe County has yet to adopt vote centers.
Today is the deadline to register to vote in the May 8 primary election.
Marion Circuit Judge Louis Rosenberg will decide whether to reinstate Lugar's right to vote from the address of the Wayne Township home he sold in 1977.
Monroe County is making plans that would allow county residents to vote at any location within the county during the 2012 elections.
Early voting in Marion County this year will be limited to the City-County Building.
The House Elections and Apportionment Committee approved the bill, which already passed the senate.
The Election Board split 2-to-1 on a contentious proposition to create additional voting sites on IU's campus and around Monroe County.