The phrase "a peak-hour" is correct and usable in written English.
It is typically used to refer to a specific time period during which traffic or activity is at its highest, often in the context of transportation or business operations.
Example: "The train service is often delayed during a peak-hour due to the high volume of commuters."
Alternatives: "rush hour" or "peak time".
A few nights ago BBC Scotland ran a peak-hour documentary on What Women Want.
A peak-hour round-trip ticket costs $28.50; a monthly is $315.
His afternoon return, business class again, but a peak-hour ticket, cost $91 ,for a total of $167.
A 2013 DDOT study of the corridor recommends a peak-hour transit lane extending 2.7 miles between Arkansas Avenue and H Street NW.
The other day we were driving in the car, listening to one of Los Angeles's top 40 stations, and I turned to my wife and asked: "How come everything on the radio sounds like a peak-hour tune from Ibiza?" All these smash hits have the Auto-Tuned big-chorus bolted on top.
To investigate the effectiveness of BRT line and parking lot facilities on the travelers' space time accessibility, 142,318 agents (visitors) are assumed to attend to the special event on a peak-hour period, and they can travel by three modes, i.e., driving only, transit only (traditional transit and BRT), and P&R.
Although he says he hasn't seen long lines anywhere, he knows what to expect when he flies from BWI at a peak hour.
In effect, it acts as a turbocharger that runs on wind energy captured the previous night, instead of natural gas burned at a peak hour.
Jeffrey P. Fegan, chief executive at the Dallas-Fort Worth Airport, said his airport handled 5,500 bags in a peak hour and needed 60 scanning machines, which cost $1.2 million each.
"In an off-peak hour, you might get only a couple people who want to go to the restaurant, and in a peak hour you might get people out the door".
Electric companies have lots of spare capacity, mostly at night, and see the plug-ins as a boon, unless owners arrive home from work at a peak hour and plug in immediately, in which case the electric companies would have to build more power plants.
