Let's rephrase this question: Why do people remain on the roadways during traffic jams? Why don't people drive off the road and use the shoulder to get around s

Let's rephrase this question: Why do people remain on the roadways during traffic jams? Why don't people drive off the road and use the shoulder to get around stopped traffic? Why don't people with off-road equipped vehicles just drive thru others' yards to get around traffic blockages? Why don't we treat automobile traffic and congested roadways as damage and route around it?