Related Clues:

• Increase, with "up"
• Intensify, with 'up'
• Parking garage part
• Expressway entrance
• Knievel prop
• Multistory parking garage feature
• Way on and off the highway
• Skating prop
• Modeling milieu
• Increase in intensity, with "up"
• Turnpike exit
• Way off, perhaps
• Sloping access
• Half-pipe half
• An inclined plane