training for police assigned to lead officail motorcades of cabinet members and other VIPs was held monday to ensure motorcades do not cause more traffic jams in bangkok. traffic police commissioner Pol maj gen piya tawichai said the 60 police would be trained in the proper ways of driving motorcycles, sending hand signals, and overtaking other vehicles. the training would ensure that the police leading a motorcade did not take over the routes of other motorists, which could lead to accidents.