The Dallas Area Rapid Transit (DART) is planning to bolster security over the next five years, including a 77-percent spending increase in security services next year and adding 65 full-time salaried positions in 2018-2019, 61 of them police.

https://www.securitymagazine.com/articles/89412-dallas-transit-aims-to-bolster-security-with-61-new-officers