The travelling allowance payable to an appointed person is—
(a) where he travels by means of his own motor car, or other motor car for his own use, in connection with the examination in public–
(i) where it is not reasonably practicable for him to travel by means of rail, bus or coach, 40 pence for each mile up to 10,000 miles and 25 pence for each mile in excess of 10,000 miles;
(ii) where it is reasonably practicable for him to travel by means of rail, bus or coach, 25 pence for each mile;
(iii) where he is accompanied by a passenger who is also an appointed person, the appointed person, who is not a passenger, is entitled to an additional allowance of 5 pence for each mile;
(b) where he travels by means of his own motorcycle, or other motorcycle for his own use, 24 pence for each mile;
(c) where he travels by means of pedal cycle, 20 pence for each mile;
(d) where he travels by means of transport other than as described in sub-paragraphs (a) to (c), the rail, bus, coach or taxi fares actually incurred provided that, in the case of taxi fares, it was not reasonably practicable for the appointed person to travel by means of rail, bus or coach.