Approximately 120 properties have been left without gas after a burst water main damaged a gas main.
Roadworks are underway and temporary traffic lights are set to be put in place amid the incident in Amersham.
Bucks Highways shared an update about the situation in a "road alert" social media post.
The highways authority stated: "We’re aware of an issue in Amersham (near Market Square) where a burst water main has damaged a gas main - leaving around 120 properties without gas.
"Footway works and some carriageway incursion are in place and will move to multi‑way lights.
"We are monitoring the situation."