2. You'd have no control meaning you'll get stuck in traffic somewhere, get bored when it takes too long and decide to drive yourself or just fast travel.
3. Think about these suggestions from the point of player experience before making these posts based on something you saw someone say somewhere. Does it really add anything of value to the player experience? Is it worth investing time and resources? This is not.
2) I know no-one in here likes comparisons with gta5 but even there you can take a taxi and skip the drive whenever you get bored or stuck in traffic ^^
3) just because its not the experience you would like, doesn't mean other player wouldn't like these experience. how can u judge if it would add anything for their experience? you simply can't.