15.—Never drive over the side-walk line while waiting for signal of traffic officer.
16.—Notify traffic officer which way you wish to turn with hand signal.
17.—Always stop and wait for an opening when driving from a side street or road into a main thoroughfare.
18.—Make square turns at all street corners unless otherwise directed by traffic officer.
19.—If you wish to turn from one street into another wait until the traffic officer gives the straight ahead signal, then give the appropriate signal to those in the rear.
20.—Always drive near the curb when you wish to turn to the right, and to the right of the center line of the street when you wish to turn to the left.
21.—Drive straight ahead at 42nd St. and 5th Ave., N. Y., and at Market and Broad St., Newark, N. J. These corners handle more traffic than any two corners in the United States. No turns are made at either corner.
22.—Exercise care not to injure road ways.
23.—Do not damage improved roads by the use of chains when unnecessary.
24.—In case the car is not provided with chains, rope wrapped around the tires will make a good substitute.