User`s guide

Rand McNally IntelliRoute
®
TND
TM
510 User’s Guide Version 2.0.1 111
Dirt Roads Select whether dirt roads are considered in a calculated
route. Options are: Allow Dirt Roads or Avoid Dirt Roads.
See note above.
Tunnels Select whether tunnels are considered in a calculated
route. Options are: Allow Tunnels or Avoid Tunnels. See
note above.