Findings:

• ramp
• Snail Ramp
• ramp up
• launch ramp
• log ramps
• vert ramp
• runaway truck ramp
• Ramp metering
• ramp function
• ramp (user)
• Ramps

If you Log in you could create a "handicapped-access ramp" node. If you don't already have an account, you can register here.