Where pickups start. Gresham requests most often begin in Downtown Gresham, Rockwood, Pleasant Valley and Centennial. Give the dispatcher a street address or a named lot entrance, not just the neighborhood—drive time, staging, and the vehicle's approach all depend on the exact curb.
Where groups go. Destinations named for Gresham include Mt. Hood Community College, Gresham Center for the Arts, Main City Park and McMenamins Edgefield (nearby Troutdale). Each has its own loading rules; ask the venue where a bus or limo can wait, and agree on a meeting corner in case the curb is blocked when the group comes out.
Dates that fill first. Local calendars around Gresham Arts Festival, Mt. Hood Jazz Festival (historical), Gresham Farmers Market and Edgefield concerts concentrate demand on a handful of weekends. Those dates are worth quoting early; confirm the current schedule with the organizer, since this list is not a live calendar.
Itineraries groups ask about. Gresham to Portland nightlife (20 min); McMenamins Edgefield concert shuttle (10 min); Gresham to Mt. Hood ski shuttle (1 hr). Share your version with every stop in order and an honest end time so the quote covers the whole block.
Beyond Gresham. Trips that continue into Albany, Beaverton, Bend or Corvallis are quoted as one itinerary. The Oregon guide covers statewide staging and long-distance planning.