Top 5 Types of Roadside Closure Signs You Should Know
Discover the top five widely-used sidewalk closure signs to ensure safety and compliance during construction or maintenance work. From reflective aluminum signs to stylish sandwich boards, learn about their features, durability, and cost options for effective road safety management.

Installing closure signs on sidewalks is essential even during minor construction projects. These signs ensure public safety and allow workers to perform their tasks efficiently. While they are easily available online, selecting the right type can be confusing. This article highlights five popular sidewalk closure sign options to help you make an informed decision.
Bidirectional 'Sidewalk Closed Ahead' Sign
The material of this sign can be chosen from .080" Engineering Grade Reflective Aluminum or 063" Diamond Grade Reflective Aluminum. The durability varies from 7 to over 10 years, making it suitable for future use. Available sizes include 18×12” and 24×18”, with prices between $40 and $29 each, depending on quantity.
Simple 'Sidewalk Closed' Sign
This straightforward option measures 24×12” and can be made from .080" White Rust-Free Aluminum or High-Intensity Prismatic Reflective Aluminum. Cost per unit is around $40.65, with discounts dropping the price to $29.75 per sign when purchasing over 40 pieces. These signs last over five years and withstand harsh weather conditions.
Directional 'Use Other Side' Signs with Arrows
These bidirectional signs are effective when only one side of the sidewalk remains accessible. You can select left or right arrow variants, each measuring 24×12”. They are priced at $40.65 each, with bulk discounts reducing the cost to $29.75 per unit.
Orange Diamond-Shaped Closure Sign
Featuring an orange background and reflective surface, these signs display messages over a fluorescent diamond-grade aluminum. Priced at $129.50 each, with discounts for bulk orders exceeding 20 units, they are designed to last over three years and endure severe weather.
Detour Sandwich Board Sign (Left Arrow)
For a more stylish and durable option, consider this sandwich board sign, available in sizes 24×18” and 24×36”. Made from sturdy portable plastic, each sign costs approximately $212.55 and is suitable for directing traffic around construction zones.