You can see that the zero is higher up, so that number 20 is going upwards, so it's warning you about a steep, uphill slope. Practice your road signs because it's the biggest theory test topic.

You can see that the zero is higher up, so that number 20 is going upwards, so it's warning you about a steep, uphill slope. Practice your road signs because it's the biggest theory test topic.

You can see that the zero is higher up, so that number 20 is going upwards, so it's warning you about a steep, uphill slope. Practice your road signs because it's the biggest theory test topic. There ...