Trailhead at 290 open, reservations required for Greenbelt

The trailhead at 290 is open but if you travel farther than about a mile North towards Zilker Park onto the Greenbelt section, the City of Austin is operating under a reservation system that they manage. Reservations are required Thursdays-Sundays to access the Greenbelt.
You can make a reservation here:
https://web2.vermontsystems.com/wbwsc/txaustinwt.wsc/search.html?module=PST