You can report a problem online about a set of permanent traffic signals within Stockport at Transport for Greater Manchester (TfGM).
If the problem is dangerous or urgent, for example if all signals are out of order, email gmutc@tfgm.com.
The Urban Traffic Control unit is not responsible for temporary traffic signals, such as those at roadworks or shuttle working. For problems with this type of installation contact our traffic service's team on 0161 217 6111.