Billboard on railroad row... Adjacent to map and parcel... 93-7-25..... This permit new digial billboard at 11 x 23......... Max ht at above grade.... Setback min 20.... Over 10 from other billboard on same side and 2 across street.... Over 20 from other digital permits... Over 12 sqft from r or a zoned property...... Signs with any copy, graphics, or digital displays that change messages by electronic or mechanical means, must remain fixed for a min of 8 seconds.. -- the copy, graphics, or digital display shall remain fixed, static, motionless, and nonflashing for a period of eight (8) seconds with all copy changes occurring instantaneously without any special effects