Field Operations Guide for Safety/Service Patrol
The U.S. Federal Highway Administration’s Office of Operations has released guidance to help safety/service patrol operators better understand the steps and tasks associated with managing incidents—particularly for those situations not encountered every day. 

PDF: http://www.ops.fhwa.dot.gov/publications/fhwahop10014/fhwahop10014.pdf
Checklist: http://www.ops.fhwa.dot.gov/publications/fhwahop10014/checklists.pdf
Visor Cards: http://www.ops.fhwa.dot.gov/publications/fhwahop10014/visor.pdf

A Guide for Reducing Collisions Involving Heavy Trucks

TRB’s National Cooperative Highway Research Program (NCHRP) Report 500 Volume 13: Guidance for Implementation of the AASHTO Strategic Highway Safety Plan -- A Guide for Reducing Collisions Involving Heavy Trucks provides strategies that can be employed to reduce the number of collisions involving heavy trucks.

PDF: http://gulliver.trb.org/publications/nchrp/nchrp_rpt_500v13.pdf

Motor Vehicle Traffic Safety Facts