What’s in a name? For rodeo patrons, potentially a little confusion, while for transit officials it could mean a pricey change.

Even though Reliant Park became NRG Park in 2014, the Metropolitan Transit Authority’s Red Line light rail – which serves the complex – still has a Reliant Park stop.

All signs, maps and audio announcements bear the name Reliant Park, not NRG.

“I could see where someone might get confused by that,” said Ben White, 30, as he waited for a southbound train at the Ensemble rail station on Monday.

For the time being, the signs and announcements will point the way to Reliant Park.

“Renaming the station requires approval from our Metro board of directors and while the offer was made to change the name, if NRG covered expenses for that work, that offer has been declined,” transit agency spokeswoman Margaret O’Brien-Molina said.

NRG acquired Reliant's retail operations in 2009, seven years after Reliant inked a $300 million deal for naming rights of the stadium and surrounding area home to the Houston Livestock Show and Rodeo and NFL’s Houston Texans.

The naming rights, paid in annual $10 million installments, did not include anything related to the rail line.

Changing the name on transit stops isn’t as easy as it might seem, Metro officials have said. Maps on trains and at every stop – including stations along the Green and Purple lines that opened last year – would have to be changed practically overnight so riders wouldn’t stumble over the revision.

In 2010, the last time Metro considered a station name change, O’Brien-Molina said officials expected to spend $250,000. The cost now potentially would be higher because Metro has opened two new rail lines.

As a result of the NRG Park shift and concerns over corporate sponsorships, Metro has given new stops indistinct names. The rail station served by the Green and Purple lines by BBVA Compass Stadium where the Houston Dynamo play is called the Eado/Stadium stop as opposed to including the corporate name. The station near the University of Houston campus across the parking lot from TDECU Stadium where football games are played is the Robertson Stadium/UH/TSU stop.

Prior to the Purple Line opening, officials agreed to change the name of a station at MacGregor Park from MacGregor Park/MLK to MacGregor Park/Martin Luther King Jr. at the behest of local officials. The change was approved because none of the signs or maps had been produced and it cost nothing.