There is usually a lot less people after the kids are supposed to be back in school. The first week in December if my favorite time to go. I know you are talking about Disneyland, but when I went to WDW ione December I took a picture down Main Street and there was only about 8 people in the picture!
I'm not sure what you mean about where the trams drop off. The drop-off site is near the Security entrance that opens into the Esplanade and ticket booths and main entries to both parks. If you are staying in one of the resort hotels, you walk either to the Monorail station, or down Downtown Disney avenue. If you are in one of the hotels like on Harbor Blvd, you can walk across the street, or use their transportation to come into drop-offs at Disneyland next to the Harbor Blvd entrance.
Hidden Mickey - Historical fiction about Walt that mixes action and mystery with time travel and fantasy! Tweens to adults will enjoy these novels. And now, three gamebooks to play in Disneyland, DCA and WDW Magic Kingdom!
Check out my six action/adventure novels about Walt's lost diary and his epic quest. Visit my blog page!