The phrase "a bumpy road since" is correct and usable in written English.
It can be used to describe a challenging or difficult situation that has been ongoing from a specific point in time.
Example: "It has been a bumpy road since we started the project, facing numerous obstacles along the way."
Alternatives: "a rough journey since" or "a challenging path since".
NEW SPACES FOR CHRISTIE'S It's been a bumpy road since 2007 when Christie's bought the contemporary-art gallery Haunch of Venison, with locations here and abroad.
In the early years of Christianity, separation was a bumpy road, since the new religion was tied to Jewish prophesy and lineage.
Still, Christianity faced a bumpy road, since it was founded on Jewish prophesy, and there was the pesky fact, documented in the Gospels, that Jesus remained a dedicated Jew throughout his life.
Color Labs, the photo sharing startup which became well-known for securing a whopping $41 million in venture capital but has since had a bumpy road with lagging user numbers and turmoil at the executive levels, is not shutting down operations, contrary to a report first published by VentureBeat that is circulating today.
Groupon filed its S-1 in early June and since has a had a bumpy road to today's IPO, with negative press coverage (including) and reports of drastically decreased pricing plaguing the three-year old company.
Since then, the product has travelled a bumpy road to sporting-field prominence, waxing and waning in accordance with technological improvements and controversies over toxicity or injuries.
Guns, economics and even the environment have been cornerstone issues of debate in this country since our constitution was first drafted; they're a bumpy road to travel down, but at least there's a road.
Harley-Davidson shares have had a brisk ride so far in 2010, surging 35% since the beginning of the year but analysts see a bumpy road ahead if consumer demand doesnt ramp up.
