The midfielder has signed a two year deal at the Broadfield Stadium after being released by Stevenage.
The former England Under-19 player, still only 27-years-old, has signed a two year deal at the club.
NEW SIGNING: We're pleased to welcome midfielder Simon Walton to the club on a two-year contract. More on the OS soon pic.twitter.com/1puVc9Yqvb— Crawley Town (@crawleytown) June 18, 2015
Walton was a former England youth star, and when he emerged from the Leeds academy in 2004, there were big hopes that he would play a part in the Elland Road outfit's return to the Premier League.
However, Walton ended up leaving the club in 2006 to move to Charlton Athletic, then in the top flight, for a fee quoted at around £500,000 initially by Transfermarkt.
The midfielder's career stalled as he went out on a number of loans without managing to secure a permanent playing role at a club until eventually settling at Plymouth Argyle, where he had a stint as captain on the South Coast.
The ex Leeds man would take in further lower league moves to Hartlepool and Stevenage, managing to claim some regular first team football at each club, before this week announcing his signing for Crawley, who were relegated from League One last season, on a free transfer.