ART. 56] MOTOR VEHICLES. 1381

immediately stop and give his name, residence and the number of his
license to operate, upon demand, and render such assistance as may
be reasonable and necessary, within his power.

1904, art. 56, sec. 137. 1904, ch. 518, sec. 7. 1906, ch. 449, sec. 137.
1910, ch. 207, sec. 140 E (p. 179).

147. No person shall operate a motor vehicle on the public high-
ways of this State when intoxicated or at all under the influence of
liquor or drug, or in a race, or on a bet or wager, except as hereinafter
provided.

1906, ch. 449, sec. 136. 1910, ch. 207, sec. 140 F (p. 179).

148. The board of county commissioners, or the proper local author-
ities having charge of the roads and highways (in Baltimore city, the
board of police commissioners) may, in their discretion, set aside for
a given time a specified public highway for speed contests or contests
between motor vehicles, to be conducted under such proper restrictions
as they may determine for the safety and convenience of the public.

1904, art. 56, sec. 133. 1904, ch. 518, sec. 3. 1906. ch. 449, sec. 133.
1910, ch. 207, sec. 140 G (p. 179).

149. Every motor vehicle while in use on the public highways of
this State shall be provided with adequate brakes and with a suitable
bell, horn or other device for signaling, and, excepting motorcycles,
shall during the period of from one hour after sunset to one hour before
sunrise display two or more white lights on the forward part of such
vehicle, so placed as to be seen from the front and of sufficient illuminat-
ing power to be visible at a distance of two hundred feet, and shall
also display on the rear of such vehicle a lamp so placed that it shall
show a red light from the rear and a white light at the side, and a
motorcycle shall display on the forward part one white light; provided,
however, that the operator of such motor vehicle may proceed to his
destination in event of a bona fide failure of his lights to operate, if his
sounds his bell, horn or other signaling device at least once in every
two hundred feet, does not proceed at a rate of speed greater than one
mile in six minutes, and takes the first reasonable opportunity to put
his lights in order, otherwise to be deemed, guilty of a violation of the
aforegoing provision.

1910, ch. 207, sec. 140 H (p. 180).

150. Within the limits of cities, towns or villages only horns blown
by means of hand pressure upon a rubber bulb shall be used, or small
electric bells of moderate sound. The horn or other signaling device
shall be used for the purpose of giving a signal of approach whenever
necessary to prevent iniury to other persons using the highways, and
shall not be sounded while passing a horse or other animal in the open
country.