Another good reference: First Measured Century, covers population, work, education, family, living arrangements, religion, active leisure, health, money, politics, government, crime, transportation, business, communications.
Table below gives more details on EU-15 comparison with US goods transport.
|Billion tonne-km||%split by tonne-km||Avg dist km|
|Inland sea||121||521||4||10|| ||280||767|
|Short sea||1167||460||41||8|| ||1420||n.a.|
With growth of EU organizations, removal of customs and a common currency, Europe is becoming more like North America with only three countries that have historically "open" boundaries.
EU Passenger traffic is so important that it interfers with freight over a shared network. In US freight so dominates that it has always had right of way.