A) more energy efficient than most other modes
B) more likely to haul energy producing materials than other modes
C) not as energy efficient as most other modes
D) buying more energy efficient locomotives
When did scheduled common carrier freight and passenger service begin in the U.S.?
What is the standard track gauge in the U.S?
A) 5 Feet
B) 6 Foot 2 Inches
C) 4 Foot 8.5 Inches
D) 4 Foot 10 Inches
What led to the erosion of rail dominance in U.S.transportation?
A) Passenger air service in the 1920s
B) Government funded construction of roads
C) Steel price increase
D) Coal price increase