What is the difference between modes of transportation?
| Mode of transportation* | Comparative Advantages | Comparative Disadvantages |
| Air | Short transit time | High cost
Backlogs at the airports Limitations for dangerous cargoes transportation |
| Road | Normally average transit time
Average cost |
Frequent changes in formalities of the transit countries |
| Sea | Low cost | Long transit time
Limitations for dangerous cargoes transportation |
| * Rail transportation has limited opportunities in Armenia
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