By Maria Altman, St. Louis Public Radio
St. Louis – St. Louis County elections officials are expecting about a fifth of registered voters to cast ballots Tuesday.
Among other things, voters will decide a half-cent sales tax proposal for the transit agency Metro.
Democratic elections director Joe Donahue said Proposition A will probably boost voter turnout by several percentage points.
"I would venture to say it'll draw about three to five percent more," Donahue said. "So I would say our guess is between 17 and 21 percent."
Several municipalities, including University City, Clayton and Wellston will elect mayors today. And seven school districts have bond and tax issues on the ballot.