3 tips that helped me:

511 websites for SA about PLANNED FUTURE construction and current hazards (current also on Google)

instead of driving around during high traffic times, take an hour a day and scan Google and Bing maps with traffic turned on. Learn the patterns. Then go for a drive and try to navigate around the heavy traffic based on what you know

Caltopo for making custom printable maps in case offline maps doesn't work. PACE