Table 4.3. Miscellaneous Transition Tapers

Location

Design Speed (mph)

Transition Width, W
(ft.)

Minimum Taper
(ft.)

Driveways

< 45

12

50

Driveways

> 45

12

100

Parallel Ramps on Limited Access Facilities – Entrance

Varies

12

250

Parallel Ramps on Limited Access Facilities – Exit

Varies

12

250