I'm a communication design student in Hong Kong searching for information on billboard production. I know loads of creative directors, art directors and designers visit this site, so may u help answer the following questions? many thanks.
1. What are the specifications required in the billboard artwork? (format, size, resolutions, colour setting..etc.)
2. How is it printed? what is the printing technique used in the production process?
3. On what materials are billboard printed on?
4. How long is the time normally required for production? (from printing process to installation)
(5. How much does it cost? )
6. What happen to the billboard after use?
any other information about billboard production is welcomed. many thanks again!!