Planes, cars, boats and trains. All were very inefficient and slow at that time.
I do believe the modes of transportation in the 1940's were automobiles, buses, trolley cars and trains.
One of them is suspended transportation
air transportation water transportation and land transportation.
Some transportation types that begin with D:DogsledDiesel TrainDodge DartDaihatsu
water * air * landOne of them is suspended transportationair transportation water transportation and land transportation
The internal combustion engine was in steady production in the 1940's, so transportation involved cars, trucks and busses. There were also airplanes in use.
horses
Types of transportation that begin with the letter s:school busshuttle (space)snowmobilestagecoachsubwayscootersneakersskateboardspaceshipsailboatsailboardsnowboardskatesskydivingsolar carsolar airplaneshipskis
Train, Plane, Automobile, Foot, Horse, Ship,
k
aeroplane
They came in many different types of transportation(ships).