Specifications include, but are not limited to: The successful vendor will provide trailer mounted solar powered portable full matrix dynamic message sign. Display and supporting structure for the sign display panel, a photovoltaic array, a battery power supply, an energy management system control unit and an electronic control console, all mounted on a heavy duty trailer frame. Meet or exceed the standards for Portable Changeable Message Signs as listed in the U.S. Federal Highway Administration (FHWA) Manual on Uniform Traffic Control Devices (MUTCD). • Visibility up to 1 mile and Legibility up to 1/2 mile. • Minimal glare from sunlight and headlights. • Continuous, uninterrupted operation on solar power. A) Dimensions: • Length Overall - 180 in. • Width Overall - 92 in • Sign in transport position - 103 in • Sign in operating position - 162 in • Ground clearance, minimum – 13 B) Operations: • Temperature, operating and storage - -40 degrees F to 185 degrees F • Relative Humidity- 20% to 98%, non-condensing • Operating position at maximum height with outriggers in place - 80 MPH sustained • Electrical Interference - Unaffected by RFI (Radio Frequency Interference) and EMI (Electromagnetic Interference).