A new park and stride scheme has been introduced at High Beeches Primary School in Harpenden.
From September, more pupils will be attending High Beeches as it is expanding in order to meet demand for school places.
The county council has worked in partnership with the district council to provide park and stride facilities at the nearby district council land on Crabtree Fields, Waldegrave Park.
An additional 40 parking spaces will be provided from September to facilitate park and stride.
This will enable parents to park nearby and walk to the school when doing the morning drop-offs and the afternoon pick-ups.
Chris Hayward, Cabinet Member for Enterprise, Education and Skills, said: "I am pleased we have been able to find a way to mitigate any potential parking problems caused by this vital school expansion.
"Working in partnership with St Albans City and District Council has enabled us to address this. I would like to thank them for their support.
"Our priority is to ensure that there is a school place for every child that wants one. We aim to commission the right number of school places for children and young people in the right locations to ensure local children can continue to attend a local school in a community close to where they live."
St Albans councillor, Beric Read, added: "The district council was happy to work with the county council to help reduce the risk of potential parking problems caused by the much-needed school expansion. This will ensure parents can accompany their children on their walk to school from near-by Crabtree Fields."
The building works at the school will include a new single storey block of eight classrooms as well as an extension to the existing school hall, a covered walkway between the buildings and improved playing fields and play space.