Much better than the average concrete US interstate. ;-) Also, speed limits on the Autobahn are lower in construction zones, urban areas with more traffic, and

Much better than the average concrete US interstate. ;-) Also, speed limits on the Autobahn are lower in construction zones, urban areas with more traffic, and anywhere the roads are not that great (still good by Jersey Turnpike standards). The stretches with no speed limit are really well maintained.