void
MSVehicleTransfer::checkInsertions(SUMOTime time) {
    // go through vehicles
    for (VehicleInfVector::iterator i = myVehicles.begin(); i != myVehicles.end();) {
        // get the vehicle information
        VehicleInformation& desc = *i;

        if (desc.myParking) {
            // handle parking vehicles
            if (desc.myVeh->processNextStop(1) == 0) {
                ++i;
                continue;
            }
            // parking finished, head back into traffic
        }
        const SUMOVehicleClass vclass = desc.myVeh->getVehicleType().getVehicleClass();
        const MSEdge* e = desc.myVeh->getEdge();
        const MSEdge* nextEdge = desc.myVeh->succEdge(1);

        // get the lane on which this vehicle should continue
        // first select all the lanes which allow continuation onto nextEdge
        //   then pick the one which is least occupied
        // @todo maybe parking vehicles should always continue on the rightmost lane?
        const MSLane* oldLane = desc.myVeh->getLane();
        MSLane* l = (nextEdge != 0 ? e->getFreeLane(e->allowedLanes(*nextEdge, vclass), vclass) :
                     e->getFreeLane(0, vclass));

        if (desc.myParking) {
            // handle parking vehicles
            if (l->isInsertionSuccess(desc.myVeh, 0, desc.myVeh->getPositionOnLane(), false, MSMoveReminder::NOTIFICATION_PARKING)) {
                MSNet::getInstance()->informVehicleStateListener(desc.myVeh, MSNet::VEHICLE_STATE_ENDING_PARKING);
                myParkingVehicles[oldLane].erase(desc.myVeh);
                i = myVehicles.erase(i);
            } else {
                i++;
            }
        } else {
            // handle teleporting vehicles, lane may be 0 because permissions were modified by a closing rerouter or TraCI
            if (l != 0 && l->freeInsertion(*(desc.myVeh), MIN2(l->getSpeedLimit(), desc.myVeh->getMaxSpeed()), MSMoveReminder::NOTIFICATION_TELEPORT)) {
                WRITE_WARNING("Vehicle '" + desc.myVeh->getID() + "' ends teleporting on edge '" + e->getID() + "', time " + time2string(MSNet::getInstance()->getCurrentTimeStep()) + ".");
                MSNet::getInstance()->informVehicleStateListener(desc.myVeh, MSNet::VEHICLE_STATE_ENDING_TELEPORT);
                i = myVehicles.erase(i);
            } else {
                // could not insert. maybe we should proceed in virtual space
                if (desc.myProceedTime < time) {
                    if (desc.myVeh->succEdge(1) == 0) {
                        WRITE_WARNING("Vehicle '" + desc.myVeh->getID() + "' teleports beyond end of route ('" + e->getID() + "'), time " + time2string(MSNet::getInstance()->getCurrentTimeStep()) + ".");
                        desc.myVeh->leaveLane(MSMoveReminder::NOTIFICATION_TELEPORT_ARRIVED);
                        MSNet::getInstance()->getVehicleControl().scheduleVehicleRemoval(desc.myVeh);
                        i = myVehicles.erase(i);
                        continue;
                    }
                    // let the vehicle move to the next edge
                    desc.myVeh->leaveLane(MSMoveReminder::NOTIFICATION_TELEPORT);
                    // active move reminders (i.e. rerouters)
                    desc.myVeh->enterLaneAtMove(desc.myVeh->succEdge(1)->getLanes()[0], true);
                    // use current travel time to determine when to move the vehicle forward
                    desc.myProceedTime = time + TIME2STEPS(e->getCurrentTravelTime(TeleportMinSpeed));
                }
                ++i;
            }
        }
    }
}