UCI CYCLING REGULATIONS  2.3.035 The following rules shall apply:  2.3.036 Riders shall be strictly forbidden to deviate from the lane they selected when launching  into the sprint and, in so doing, endangering others.  2.3.037 The classification shall be always determined according to the order of crossing the  finishing line. The classification shall determine the allocation of prizes and points.  2.3.038 (N) Photo-finish with an electronic timing tape shall be mandatory.  (text modified on 1.01.05).  (text modified on 1.01.02).  The finish classification shall be used to separate tied riders in the individual secondary  classifications.  (text modified on 1.01.05).  (text modified on 1.01.16).  This article shall apply equally to similar situations (mobile bridges, obstacles on the  route, etc.).  1.  One or more riders who have broken away from the field are held up at a level  crossing but the gates open before the field catches up. No action shall be taken  and the closed level crossing shall be considered a mere race incident;  2.  One or more riders with more than 30 seconds' lead on the field are held up at  a level crossing and the rest of the field catches up while the gates are still  closed. In this case the race shall be neutralised and restarted with the same  gaps, once the official vehicles preceding the race have passed;  If the lead is less than 30 seconds, the closed level crossing shall be considered  a mere race incident;  3.  If one or more leading riders make it over the crossing before the gates shut  and the remainder of the riders are held up, no action shall be taken and the  closed level crossing shall be considered a race incident;  4.  If a group of riders is split into two groups following the closure of a level  crossing, the first group will be slowed down or stopped in order to allow the  delayed riders to return to the first group;  5.  Any other situation (prolonged closure of the barrier, etc.) shall be resolved by  the commissaires.  Sprints  Finishes and timekeeping  E170421  ROAD RACES  46 