Be alert for vehicles entering the roadway. Slow and proceed with caution. Traffic Merging From Right - Adjust speed and lane position to allow traffic to merge safely. Railroad Crossing - Railroad crossing ahead. Slow down, look and listen for train.
Diagrams direct the exit and entrance movements at interchanges.
Service Signs - Blue and white signs direct to services, such as hospitals, food, lodging, etc. Mile Marker - These signs are located every mile on Nebraska highways to serve as a reference point for drivers to use when assistance is needed, or an emergency exists. Route Markers - Signs used alone or in combination with arrow directional signs mounted below. 3B-6 Construction and Maintenance Devices Various traffic control devices are used in construction and maintenance work areas to direct drivers and pedestrians safely through work zones and to provide for the safety of the workers. Orange is the basic color for these devices.