Resources
Portable Changeable Message Boards—Insights, Applications, Performance.
Focused knowledge, reliable practices, and information designed for traffic safety professionals.
Message Boards
Operation. Planning. Use.
Considerations that influence PCMS management, deployment, power, and operational efficiency across different applications.
Articles
Why Life Cycle Cost Matters When Buying Message Boards
By Rusty Latenser When purchasing Portable Changeable Message Signs (PCMS),...
Operating Lead-Acid or LiFePO₄ Batteries in Winter Under Overcast Conditions
By Rusty Latenser Introduction Multi-day overcast conditions in winter present...
What Message Boards Reliably Recharge in Winter Conditions
By Rusty Latenser Purpose of Analysis This report compares Portable Changeable...
Why PCMS Units Die Overnight
By Rusty Latenser A DOT reviewer, a contractor, or a procurement officer needs...
Why Allowing a PCMS Slightly Canted Actually Costs You
By Rusty Latenser Whether your message boards use a flat‑mounted solar deck or...
Why Get Rid of Sandbags?
By Rusty Latenser PCMS units often rely on sandbags for wind...
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