A 1 hour speedup for trap building is an item in Evony TKR (The King's Return).
The description of 1 Hour Speedup for Trap Building in Evony TKR says:
Reduces remaining time on a Traps building timer by 60 minutes.
1 Hour Speedup for Trap Building is known to potentially be obtainable from opening Senior Spring Festival Rewards, Medium Spring Festival Rewards, Junior Spring Festival Rewards, Lv11 Boss Monster Chest and Pile of Speedup. The links for each item are below:
Note: This list may be incomplete.