In rail transportation, a rolling highway or rolling road is a form of combined transport involving the conveying of road trucks by rail, referred to as Ro-La or ROLA trains (from the German expression "Rollende Landstrasse"). The concept is a form of piggyback transportation.
In rail transportation, a rolling highway or rolling road is a form of combined transport involving the conveying of road trucks by rail, referred to as Ro-La or ROLA trains (from the German expression "Rollende Landstrasse"). The concept is a form of piggyback transportation.
Source: Wikipedia "Rolling highway" · CC BY-SA 4.0
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