Taxi-top digital advertising boards are to display traffic information in a new trial aimed at cutting congestion in London.

In a trial that started on Monday (December 7), Transport for London (TfL) is trialling the technology to enable the Capital's taxis to encourage other road users to avoid congested roads.

According to TfL, targeted messages will tell road users traffic levels at 40 to 50 areas where there are known traffic delays.

In the future, the technology could be used to provide real-time updates on incidents across London's road network.

Messages will be displayed on around 200 taxis fitted with the electronic boards using GPS to keep info accurate and up-to-date.

TfL also recently announced that London cabs will be introducing card and contactless payment methods .

Garrett Emmerson, TfL's chief operating officer for surface transport, said: “This trial is an innovative new way to reach road users in London and keep them informed of traffic conditions.

“Using the capital's fleet of taxis to get real-time traffic information out will inform other drivers of any disruption on the network, helping them to avoid the most congested routes.

“It is one of many ways we are focusing our attention on keeping London moving, particularly during the current success-driven boom in construction seen across London."

Last week, a new team of TfL enforcement officers was announced, who have been tasked with problem-solving issues such as inconsiderate driving and parking that can cause congestion.

As well as this, the use of road side digital signs on key corridors keeps drivers aware of traffic conditions, allowing them to take alternative routes to avoid disruption.