How often does the letter d occur in:
A train operates daily between the Lao-Thai Friendship Bridge (Vientiane Capital) and Nong Khai (Thailand) connecting Laos to Thailand..
Thanaleng Railway Station
Thanaleng Station is in a somewhat isolated area southeast of Vientiane, in Dongphosy village. Travellers arriving at the station must arrange their own travel onward into Vientiane, or use tuk-tuks or buses that may be stationed there to await travellers. A transfer counter now operates at the station, where passengers requiring transfer into Vientiane pay a flat rate for transportation into the city, by tuk-tuk or minivan.
Lao tourist visas are available on arrival at Thanaleng. Entry and exit fees are collected at the station upon embarking or disembarking
As of September 2010, an estimated 2,500 to 3,000 passengers were using the Nong Khai–Thanaleng train daily. Trains consist of two coaches, each carrying up to 80 passengers. Tickets onward to Bangkok may be purchased at the station; passengers travelling through must alight the train at Nong Khai to pass through Thai customs and immigration.
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In that passage, there are eighteen occurrences of the letter "d."
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