When Lanes Merge (Traditional Chinese: 情越雙白線) is a 2010 TVB modern drama series.

Rushing along the road every day with a vibrant mix of passengers of all kinds, what taxi drivers see and hear is far more varied than one can ever imagine.

Before long, he has another serious road accident, in which Ho Kau is also involved and severely injured, both mentally and physically.

He maintains a high degree of vigilance while driving but still gets picked on constantly by female traffic police officer Ko Lai-Sam (Kate Tsui).

But Ho Ka-po's ex-girlfriend Cheung Hiu-Man (Sonija Kwok) and Ko Lai-Sam's grandmother Ko Li Shuk-Ching (Lee Heung Kam) turn out to be the biggest obstacle to their relationship, leaving the pair stranded in dismay along the tunnel of love.