Swing gates pivot like a door and need a clear arc equal to the leaf width plus level ground; they're the classic look for driveways and low-traffic entrances. Bi-folding gates fold in half against the post, need almost no clearance and cycle much faster, which makes them the answer for tight urban sites, short setbacks and high-traffic openings. If you have the room and want the look, swing; if you don't, or speed matters, bi-fold.
Both swing and bi-folding gates cover an opening by moving inward or outward rather than sliding. But they do it very differently — and the right choice depends on your space and speed requirements.
Swing Gates
A swing gate operates like a door — it pivots from a hinge point on one side (single swing) or from both sides (dual swing). They're the most traditional and recognizable gate style.
Best for:
- Residential driveways with ample room
- Decorative entrances where aesthetics matter
- Low-traffic openings
Requirements:
- Clear swing radius equal to the full width of the gate leaf
- Level ground throughout the swing arc
- Adequate space behind the gate for vehicle stacking
Bi-Folding Gates
A bi-folding gate (also called a speed gate or folding gate) has panels that fold onto themselves as they open. This cuts the required clearance in half.
Best for:
- High-traffic commercial entrances
- Sites where speed matters (opens in 4–8 seconds vs. 15–20 for swing)
- Limited-space installations
- Security applications requiring rapid close after vehicle entry
Advantages over swing gates:
- Half the clearance — a 20-foot bi-folding gate only needs 10 feet of swing space
- Much faster — critical for security and traffic flow
- Crash-rated options available for high-security perimeters
The Decision
If you have plenty of room and a low-traffic residential application, a swing gate is simple and elegant. If you need speed, security, or are working with limited space, a bi-folding gate is the better investment.