![](https://mmo.aiircdn.com/5/62f9f30c01e52.jpg)
Race organisers of the MGP will be carrying out an on-course test of the electronic flags around the TT Mountain Course later this week.
It's set to take place at 7am on Friday morning (August 18).
Therefore, as a precaution, road users are advised to be aware large square displays may be displaying as red or black with numbers, but no action is required.