gtfs-display/src/components/frequencies-table-head.js

import React from 'react';

function FrequenciesTableHead() {
  return (
    <tr>
      <th>trip_id</th>
      <th>start_time</th>
      <th>end_time</th>
      <th>headway_secs</th>
      <th>exact_times</th>
    </tr>
  );
}

export default FrequenciesTableHead;