Solved in Arkham Knight HQ South ... want to time your throw to make it line up with the Riddler symbol. Do this three times to free the trophy. This puzzle will also appear when you return.

The Subway Station and its network of underground tunnels hide several more Riddler Trophies in Batman: Arkham City. It makes you wonder what lengths Nigma is willing to go just to leave behind ...

Batman Arkham Knight: Arkham Insider Episode 4 (Riddler's Racetrack Challenge)SUBSCRIBE! Never Miss A Video: <a href="https://www.youtube.com/user/unCAGEDgamezArkham ...

Hit the Riddler switch on the wall to restore it - now on the other side of the wall. Order it onto the pressure pad to release the trophy ... to search for the Arkham Knight, look for this ...