An improvement project may include the planning, design, construction, improvement, and maintenance of:
(1) a project or service listed in § 375.112(a)(1), Local Government Code;
(2) highway right-of-way or transit corridor beautification and improvement;
(3) a hiking and cycling path or trail;
(4) a pedestrian walkway;
(5) a garden, community activities center, dock, wharf, sports facility, open space, or related exhibit or preserve; or
(6) a bulkhead or other improvement designed to prevent erosion.