The phrase "additional checkpoints" is correct and usable in written English.
You can use it when referring to extra points of verification or assessment in a process or system.
Example: "To ensure the project's success, we will implement additional checkpoints throughout the development phase."
Alternatives: "extra verification points" or "supplementary assessments".
Additional checkpoints were arrived at after visiting and browsing the various sites.
Officials have left open the possibility of additional checkpoints in Trinidad and elsewhere in the city.
At each of the four additional checkpoints, a playing card was drawn and recorded by volunteers.
Tomorrow, the Fourth of July, there will be additional checkpoints in all five boroughs, the mayor said.
In security staff meetings, Dichter and Mofaz argued that curfews and additional checkpoints should be imposed on the West Bank.
They have urged him to open additional checkpoints to relieve the long wait at the Turkish posts where every visitor must obtain a stamped visa before crossing.
Five additional checkpoint formulations, within the experimental domain, were used to validate the external predictability of the models.
The most recent round of violence began last Tuesday, when government troops established an additional checkpoint in the town of Radfan, in the southern Lahij Province.
Secondly, insertion of inapt cut (resulting in an additional checkpoint) to optimize delay overhead associated with fault security in most cases may not result in optimal solutions in the context of user constraints/budgets.
The constructed ANN model fitted better to the overall desirability than the MLR model (R = 0.838 vs. 0.670, for the additional checkpoint formulations) and therefore, was used for prediction of formulation with optimal in vitro drug release.
"They use an additional checkpoint," says Gorbunova, whose study appears online today in the Proceedings of the National Academy of Sciences PNASS).
