Sep 4, 2012
| PD and Docket Number Applicant | Subject | Ruling | Decision |
|---|---|---|---|
|
PD-5(R) National Tank Truck Carriers, Inc. |
Massachusetts requirement for back-up alarm on tank trucks carrying flammable liquids |
State tank truck back-up alarm requirement applicable only to in-state transportation is not preempted under the "obstacle" test. |
58 FR 62707 (11/29/93). |