Oak Lawn-Hi Line Public Improvement District (OLHL PID) was created in 2009 and renewed in 2016. The Oak Lawn-Hi Line area consists of approximately 47 properties, business and light industrial uses. Oak Lawn-Hi Line Improvement District Corporation manages the PID. The general nature of the service and improvements provided by the PID are to enhance public safety and security, litter and graffiti control, maintenance of public improvements, landscape improvements, including planting, hardscape and street furniture within public open space and public right of way related service and improvements that are approved by the Dallas City Council.
The current PID term runs until December 31, 2023 but was renewed on May 24, 2023 for a new ten-year period that will expire on December 31, 2033. The PID's annual budget and assessment rate is subject to a public hearing and City Council approval.