Format of group positioning problem instances:

number of vehicles
number of lanes

length of each vehicle 

series of each vehicle

For each vehicle: if_vehicle_can_be_placed_on_lane_1 if_vehicle_can_be_placed_on_lane_2 ...

length of each lane

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Format of schedule assignment problem instances:

number of vehicles
number of lanes

departure time of each vehicle (in minutes)

schedule type of each vehicle

series of each vehicle

id of each involved lane 
id of each involved lane of series_2 (optional if there are multiple dependent series)
...

nb_vehicles to be placed on each lane
nb_vehicles to be placed on each lane of series_2 (optional if there are multiple dependent series)
...

optional blocking constraints (the departure time of a vehicle in front of a blocking lane must be prior to the departure time of a vehicle in front of a blocked lane)
For each constraint: blocking_lane_id blocked_lane_id blocked_lane_id_2 ...