UCI CYCLING REGULATIONS  2.3.014 When the finish is on a circuit, riders may help one another where permitted only if they  have covered the same distance in the race.  2.3.015 The order of vehicles is determined by the table in article 2.3.047.  2.3.016 (N) Technical support for every mixed team will be provided by a neutral vehicle. The  organiser must ensure that there are at least 3 other adequately equipped neutral  technical support vehicles (cars or motorcycles) and a broom wagon.  2.3.017 Only one vehicle per team will be permitted to circulate at race level.  Following vehicles  (text modified on 1.01.02).  However, in the UCI WorldTour events (except in circuit races or in final circuits) it is  allowed to have a second vehicle per team subject to the following conditions:  -  the organiser will provide the first vehicle with a red number and the second  vehicle with a black number to define the position of the vehicles in the race  convoy;  -  the second vehicle will have the choice to circulate:  -  minimum 5 minutes ahead of the lead car opening the race, in front of the  race convoy; or  -  behind the race, in the second sports directors line.  If the second vehicle circulates ahead of the race, following instructions and  conditions will need to be respected before inserting behind a group of break- away riders:  -  the sports director of the main team vehicle will ask for the approval from  the President of the Commissaires Panel for the second vehicle to be able  to insert behind a group of break-away riders; or  -  the President of the Commissaires Panel will be able to inform the teams  of their right to insert through radio-tour;  If the second vehicle is inserted behind a group of riders, as per article 2.3.021,  when the gap is not considered sufficient by the commissaire, upon instructions  from the commissaires, the second vehicle will be able to:  -  pass the break-away riders and continue circulating ahead of the lead car  opening the race, outside the race convoy; or  -  stop and come back in the second sports directors line.  Teams vehicles authorised to drive in the race convoy cannot leave the race course,  unless they have instructions from the organisation direction or the president of the  commissaires panel. Infringements to the provisions of this article are sanctioned as per article 2.2.039 related  to the circulation of vehicles in race, without prejudice of any other applicable sanction.  In any case, article 2.2.035 applies.  (text modified on 1.01.19).  E170421  ROAD RACES  39 