Road Construction and Road Signs, Barricades, Cones and Related Highway Accessories. Sales & RentalsMessage Boards: solar power, trailer mounted CMS boards. Barricades: Type 1, 2 and 3 barricades. Arrow Boards: solar panel units. Channelization Devices: Delineators, Cones, Drums, and Barricades. Water-Filled K-Rail - ranging from 18 for airport applications to 42 crash-worthy barriers. Signs - standard signage for the typical construction project or events.