Guidelines for the Effective Use and Procurement of Advanced Warning Arrow Panels

This digest provides procedures to ensure the proper visibility, deployment, and maintenance of advanced warning arrow panels. The digest also includes recommended specifications for arrow panels. The contents are as follows: Introduction; Technical Requirements for Arrow Panel Recognition; Development of a Specification for Arrow Panel Lamps; Development of a General Arrow Panel Specification; Procedures to Ensure Proper Arrow Panel Visibility; Final Report Availability; Acknowledgments; References; Appendix A: Photometric Procedure; Appendix B: Recommended Specification for Advanced Warning Arrow Panels; Appendix C: Maintenance Personnel Procedures to Ensure Proper Visibility of Arrow Panel; and Appendix D: Procedures for Field Personnel to Deploy to Maintain In-Service Arrow Panel Visibility.