The latest indicators for trucking are headed in the right direction – unless, of course, you’re a shipper. Truckload linehaul rates rose 5.7 percent year over year in April – and since February they’ve increased 4.6 percent, according to the latest update of the Cass Truckload Linehaul Index.  For the second month in a row, the Cass/Avondale Partners truckload linehaul cost index reached a new high.