Originally Posted by
SWCPHX
The train should be safe enough, however, parking and traffic aren't that bad in downtown LA on a Saturday so if you have a car, simply for convenience sake I'd drive.
parking can often be a challenge in chinatown (which is adjacent to olvera street) on weekends.
considering how small olvera is, it makes sense to plan a visit as part of a larger day plan that makes good use of a metro day pass, as bzcat suggested.