Herts police and crime commissioner's Road Safety Fund is topped up by court costs and fees paid by motorists on speed awareness courses.
The closure order is to come into force on November 11 and the work must take place during the following 18 months.
County council reiterates its commitment to get developers to foot the bill for services to support new homes.
The event was the culmination of the fourth annual week-long Sawbo Travel Challenge involving pupils at five primary and infants' schools in the area.
Councillors are now refereeing complaints about inconsiderate parking, excess noise and light pollution.
Hertfordshire County Council is building a £40m single-carriageway relief road to the north of the village between two new roundabouts.
Crews from highways contractor Ringway ready to cover more than 1,500 miles of roads 24/7 for six months through whatever winter throws at them
The new services will operate on Fridays and there will be more flights to Antalya and Dalaman in Turkey.
Expansion protestors point to drop as proof council can take its time reviewing planning consent for airport's growth to 43 million passengers a year.
15 staff working in a wide range of roles at the airport to visit Forest Hall School every fortnight as pupils prepare for their GCSEs.