Roads are thoroughfares for traffic with improved surfaces for vehicles and pedestrians. Roads include parkways, highways, tollways, interstates, and local roads. Primary features include lanes, pavement, shoulders, verges, and shared-use paths
Glass recycling transforms waste into usable products through cullet processing. Internal cullet comes from manufacturing defects, while external cullet is collected waste. Glass must be purified and separated into different colors for recycling. Heat-resistant glass must be excluded from recycling due to viscosity issues
Three-part polyurethane mortar with clear, brown liquids and aggregate blend. Used for road nosing and transition strip applications. Proven durable for 20 years under heavy traffic. Environmentally friendly and solvent-free
Tunnels can be built below ground level roads at depths of -12.5m or below. Descent ramps must be reasonable length to avoid traffic congestion. Roads can be built at different elevations within tunnel sections. Maximum tunnel depth is capped at -50m. Tunnels can overlap with 8.75m spacing between levels
Bitumen is a crude oil byproduct produced through distillation. Contains complex hydrocarbons with elements like calcium, iron, sulfur. Can occur naturally in ancient lake sediments
Bitumen is a dark, viscous substance produced from crude oil. World's bitumen consumption is 85% for road building. Market is expected to reach $90.4 billion by 2027 at 3.1% CAGR