Law enforcement in Harris County and other large metro areas is heightening security ahead of Election Day, in response to past attacks and protests. National security groups have focused for years on terrorism and major events,

On election day, over 250 Harris County tax office employees will be trained to answer election judge and voter questions. The Harris County Tax Office has traditionally assisted the Harris County Clerk’s Office by answering calls during early voting and election day.

San Joaquin County is the only county in California to be monitored by the Department of Justice's civil rights division staff on election day.

The Department of Justice has announced that it plans to monitor compliance with federal voting laws in Henrico and Hanover counties on Election Day. The Justice Department enforces federal voting rights laws that protect the rights of eligible citizens to access the ballot.