Question

show what
problems can occur if a highway has sharp bends or cross roads or
roundabouts.​

Answer 1

Answer:

Then a lot of accidents can happen.

Explanation:

Because the cars won't be able to turn quickly.

Answer 2

Answer:

1. speed couldn't be constant of vehicles
2. vehicles could be scratch or their tyres defected on sharp bends
3. rounabouts cause accidents of big and small vehicles
4. cross roads became accident prone area on highway
5. speedstoppers cause accidents in middle of road if vehicles are moving crossing each others