California's long-delayed high-speed rail project was once billed as a cleaner, more connected future for transportation.

Here's what to know Uber trips to gyms were among the expenses California's High-Speed Rail Authority reimbursed to consultants, along with rides to nightlife and entertainment spots, such as a nightclub, tiki bar, cigar lounge, and escape room, according to Jalopnik.

Those charges were part of nearly $600,000 in travel spending the state's high-speed rail inspector general questioned over a two-year period.

The inspector general's office also issued recommendations aimed at improving how the agency enforces its travel and expense policies.

The inspector general's office will conduct another evaluation of the authority's finances, suggesting this review is unlikely to be the final word.