[In a B-4 highway commercial district, only the following uses of property shall be permitted:]

Any use permitted in B-2 and B-3 districts.

Auto washing establishments.

Building material storage buildings and yards.

Bulk fuel storing yards (see section 2.13, article 2).

Bus garages or car barns.

Dairies.

Dancing studios.

Drive-in theaters.

Nurseries.

Frozen food lockers.

Garages, public.

Laundries and dry cleaners.

Machinery and equipment sales and service.

Motels and trailer courts.

Motor freight terminals.

Nightclubs.

Mobile home and travel trailer sales.

Plumbing shops.

Printing shops.

Wholesale offices and warehouses.

Uses similar in character to [the] above-listed uses.

No building or structure shall exceed 50 feet in height.

[In B-4 highway commercial districts, the following area regulations shall apply:]

Lot area. Each lot shall contain a minimum area of not less than 5,000 square feet.

Yards. Each lot shall have front and rear yards not less than the following depths:

Front yard .....25 ft.

Rear yard .....25 ft.

Side yard. Side yards of five feet are required only when the side of a commercial lot abuts a residential district. Where side yards are provided but not required, these yards shall be not less than three feet.

See article 4 [of this appendix].