Following heavy rain and high river flows, additional protection will be added at Laxey River.
The Department of Infrastructure says more large rocks will be placed on the existing protection area to help protect banks and walls.
Work is expected to continue until Wednesday December 8, weather permitting, and will be undertaken from the roadside.
An emergency 'no parking order' is in place on a short stretch of Glen Road and is marked by cones.
Possible disruption to bus services this evening
Pier restoration project marks progress with Sunday celebration
MNH announce Hop Tu Naa celebrations
Ramsey cannabis café heads to Douglas for one-night event
Thousands of names to be read at Gaza remembrance vigil in Douglas
Water main works to begin along Glenfaba Road
Dunlop and McGuinness TT bikes up for auction
Tree work on busy Douglas road today