Congestion pricing got its first rush hour test on Monday morning, with MTA officials saying it was a smooth ride and drivers grumbling about the $9 fee to enter parts of Manhattan.

Z. The state’s E-ZPass website crashed Monday morning during the Manhattan toll program’s first workweek rush hour. The technological traffic jam hit after MTA officials recommended motorists make sure their E-ZPass accounts were up to date — and that their current license plate was linked to their account — or else potentially face mail-in tolls much higher than the $9 peak-hour base rate.