Most Share Taxis are leaving Phnom Penh in the morning hours, as there is still business to make, when they approach in Kampong Speu. They leave also from the Charles de Gaulle (Southwest from the central market). The prices are around US 3-4.
Motorcycle Touring Info:
Coming with the motorbike from Phnom Penh to Kampong Speu, you’ll probably be taking the national highway No 4 in direction of Sihanoukville. As the provincial capital, also named Kampong Speu isn’t that far away (approx. 48km) from Phnom Penh it’s a one-hour ride with the motorbike. The street is in best condition, but the traffic, especially coming close to Phnom Penh might sometimes take your last nerve.