M5 J8 slip south

My boss pays for the toll motorway, get a discount if have a lot of motors, the amount of time,fuel and wear and tear lost stuck in that cluster ■■■■ up.
The only issue is using the toll then hit rush hour on the M42 .
The so called road works around Birmingham motorway network is a national disgrace.
The routes are major international connecting routes, and only one lane open.
How can it take years and years to finish a job, when its done, they start again near to where they finished. ?