My recommendation for fastest and easiest route is to go from
Bwp-multan m4 part merge on National highway, turn towards LHR
From chichawatni go up kamalia
Road is built by chinese and excellent quality with no safety issue unless its sugarcane season
Time: max 20 min
From kamalia go to Rajana
Time max 15 min
From Rajana go to Toba tek Singh, time 15-20min
From Toba go to Gojra
30 min max
From Gojra its 5 min to M4 gojra Fsd part
Enjoy uptill Isb
Shortest and recently checked route, go eyes closed
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