Top Traffic Control Devices for Road Construction Safety

Road construction zones demand clear organization, strong visibility, and reliable equipment to protect workers and guide drivers safely through active work areas. Using the right traffic control devices reduces accidents, improves traffic flow, and supports compliance with state and federal safety standards. From short-term lane closures to long-term infrastructure projects, selecting proven traffic control solutions is essential for maintaining safe roadways.
Let’s explore some of the most effective traffic control devices used on road construction sites today and how each contributes to safer, more efficient operations.
Traffic Cones for Temporary Lane Control
Traffic cones are one of the most widely used traffic control devices in road construction. Their high visibility and lightweight design make them ideal for temporary lane closures, tapering traffic, and marking work zones. Traffic cones are easy to deploy, reposition, and store, which makes them especially useful for short-duration projects and mobile crews.
When used correctly, cones help drivers recognize changes in traffic patterns early, giving them time to slow down and react. Contractors often select cone sizes and reflective collars based on roadway speed and visibility requirements. A consistent cone layout improves driver awareness and helps reduce sudden braking or lane changes.
Explore durable, high-visibility options in our selection of traffic cones designed for construction and traffic control use.

Traffic Barrels for High-Impact Visibility
Traffic barrels, also known as construction drums, provide a larger visual presence than cones and are commonly used on higher-speed roads and long-term projects. Their size and shape make them easier for drivers to see from a distance, especially at night or in poor weather conditions.
Traffic barrels are often weighted to prevent movement and are used to define lanes, channel traffic, and protect work areas. Reflective striping and compatibility with barricade lights further enhance their visibility in low-light conditions. These features make barrels a reliable choice for extended work zones and areas with increased traffic volume.
For projects that require durable channelization, browse our selection of traffic barriers and barrel solutions built for roadway safety.
Delineators for Lane Guidance and Edge Definition
Delineators are used to provide continuous visual guidance along roadways, curves, and construction zones. These devices help drivers understand lane boundaries and roadway edges, especially in areas where permanent markings are obscured or temporarily removed.
Delineators are commonly installed along medians, shoulders, and work zone perimeters. Flexible post designs allow them to withstand vehicle contact without causing damage, making them suitable for high-traffic environments. Their reflective surfaces improve nighttime visibility and reinforce safe driving behavior through construction areas.
View our range of delineators designed for temporary and semi-permanent traffic control applications.
Barricades and Signs for Clear Communication
Barricades and construction signs provide critical information to drivers before they enter a work zone. Advance warning signs alert motorists to lane closures, speed reductions, and detours, while barricades physically block access to restricted areas.
Clear messaging reduces confusion and helps drivers make safe decisions well before reaching active construction zones. Proper sign placement and barricade spacing are key factors in maintaining orderly traffic flow and protecting workers on site.
Discover our selection of barricades and signs.
Barriers for Work Zone Protection
Concrete and properly-rated water-filled barriers add a physical layer of protection between traffic and work crews. These devices are often used in high-risk areas where separation from live traffic is required. Barriers help reduce the severity of vehicle intrusions and create a defined workspace for construction personnel.
Barrier systems are frequently combined with other traffic control devices to form a comprehensive safety strategy tailored to the project’s scope and roadway conditions.

Choosing the Right Traffic Control Devices
Every road construction project presents unique challenges that require careful planning and equipment selection. Traffic speed, project duration, roadway layout, and surrounding environment all influence which traffic control devices will perform effectively. High-speed roadways typically require larger, more visible devices, while urban streets and short-term projects may rely on portable solutions that allow for quick setup and removal.
Project duration also plays a role. Short-term or mobile operations often benefit from traffic cones and delineators that can be deployed and repositioned efficiently. Long-term construction zones usually require traffic barrels, barriers, and signage designed to withstand extended exposure to traffic and weather conditions. Local and state regulations further guide equipment selection, with many projects required to follow MUTCD standards for spacing, reflectivity, and placement.
A well-planned traffic control setup combines cones, barrels, delineators, signage, and barriers to create clear guidance for drivers and protected work areas for crews. Using the right mix of devices improves visibility, reduces driver confusion, and helps maintain steady traffic flow through construction zones.
Transportation Supply offers a full range of traffic control products designed to meet the demands of construction professionals and municipal agencies across the country, supporting safe and compliant roadway operations.
Traffic Control Devices Built for Safer Road Construction
Protect workers and direct traffic effectively with professional-grade traffic control devices built for road construction environments. From cones and delineators to barriers and barricades, our selection supports compliance, visibility, and durability on active job sites. Browse our traffic safety equipment today and equip your project with solutions designed for real-world conditions.
FAQs About Traffic Control Devices
What are the most common traffic control devices used in road construction?
Common traffic control devices include traffic cones, barrels, delineators, barricades, signs, and barriers. Each plays a role in guiding traffic and protecting work zones.
How do traffic control devices improve road safety?
These devices improve visibility, provide clear guidance, and create separation between vehicles and workers, reducing the risk of accidents in construction zones.
Are traffic control devices required by law?
Most road construction projects are required to follow MUTCD guidelines and state-specific regulations, which often mandate the use of approved traffic control devices.
How do I choose the right traffic control equipment for my project?
The right equipment depends on traffic speed, road type, project duration, and local requirements. Using a combination of devices helps create a safer and more effective traffic control plan.