Cross street banner suspension system

A banner support system, comprising:

• a first support pole;
• a first winch supported by the first support pole;
• a first support line coupler supported by the first support pole, and defining a first anchor point;
• a second support line coupler supported by the first support pole, and defining a second anchor point;
• a second support pole;
• a third support line coupler supported by the second support pole, and defining a third anchor point;
• a fourth support line coupler supported by the second support pole, and defining a fourth anchor point;
• an upper support line coupled to the first support line coupler and the third support line coupler;
• a lower support line coupled to the second support line coupler and the fourth support line coupler;
• a banner slidably coupled to the upper support line and the lower support line;
• a first tensioning line coupled to the first winch and extending from the first support pole, the first tensioning line being operable to tension a first end of the banner;
• and
• a second tensioning line extending from the second support pole, the second tensioning line being operable to tension a second end of the banner opposite the first end,
• wherein the banner is slidably coupled to the lower support line,
• and wherein the banner is operable to rotate about the upper support line toward and away from the lower support line in response to a force acting on the banner.