The Liberal Democrats will allow Premier League and Championship clubs to introduce safe standing at stadiums, under plans in its 2015 general election manifesto.
In the wake of the Hillsborough disaster in 1989, clubs in England's top two divisions were required to ensure all fans were seated at matches.
The party says rail seats, which can be locked in an upright position to allow fans to stand and lean against a barrier, should be considered in English football, following examples in leagues across Europe.
It insists it is not campaigning for a return to open terracing.
The Football Supporters' Federation has long campaigned for the introduction of safe standing, claiming it improves the atmosphere at games and cuts ticket prices.
More top news
The toddler died after suffering eight months of abuse at the hands of her legal guardian Kandyce Downer.
Most of the 150 child refugees in Calais Jungle have given up any hope of getting help from those in power so will PM's climbdown help?
Donald Trump has carved a deep dividing line in the Republican party. But despite his success, the "Never Trump" movement is still alive.