| 1989 | |
|---|---|
| Ground Breaking | New Hampshire Motor Speedway |
| Construction | Administration Building Checkered Flag Restaurant Concession Stands Driver Registration Infield Care Center Jack Ratta Media Center Main Grandstand Main Grandstand Suites North Garage Building Press Registration Restrooms Security Center Technical Inspection |
| 1990 | |
| Construction | 1.058-mile Oval Superspeedway 1.6-mile Road Course Concord Grandstand Laconia Grandstand Press Box Race Control |
| 1992 | |
| Construction | North Parking Lot Infield Timing & Scoring Center |
| 1993 | |
| Construction | Concord Grandstand Elevator Goodyear Tire Building |
| Expansion | Concord Grandstand Concord Grandstand Suites |
| 1994 | |
| Construction | Center Garage Building Infield Scoring Pylon Laconia Grandstand Suites Laconia Grandstand Elevator Maintenance & Warehouse Building Speedway Heliport |
| Expansion | Concord Grandstand Corporate Hospitality Area Jack Ratta Media Center Laconia Grandstand South Parking Lot |
| 1995 | |
| Construction | Motor Racing Network (MRN) Broadcast Booth North Ticket Booth South Ticket Booth |
| 1996 | |
| Construction | Lincoln Electric/Merriam-Graves Welding Shop |
| 1997 | |
| Construction | Gil Rogers Highway (South Section) |
| Expansion | Administration Office Laconia Grandstand Starting Line Souvenir Store |
| 1998 | |
| Expansion | Concord Grandstand Laconia Grandstand Reserved RV Lot |
| Opening | Starting Line Souvenir Store |
| Refurbishing | 1.058-mile Oval Sealed |
| Reconfiguration | Road Course Turns |
| 1999 | |
| Construction | Gil Rogers Highway (North Section) |
| 2000 | |
| Construction | Second Concord Grandstand Elevator |
| Expansion | Concord Grandstand Concord Grandstand Suites |
| 2001 | |
| Refurbishing | 1.058-mile Oval Laser Ground & Sealed |
| 2002 | |
| Reconfiguration | Turns 1, 2, 3, & 4 on 1.058-mile Oval |
| 2003 | |
| Construction | SAFER (Steel & Foam Energy Reduction) Barrier |
| Repaving | Turns 1, 2, 3, & 4 on 1.058-mile Oval |
| 2005 | |
| Expansion | Infield Care Center |
| 2006 | |
| Construction | Northside Heliport |
| Remodeling | Jack Ratta Media Center Race Control and TV Broadcast Booths |
| 2008 | |
| Remodeling | Administration Building |
| Construction | NHMS Directional & Entrance Signage |
| Remodeling & Relocation | Press Box |
| Speedway Construction Facts |
|---|
| More than 1.5 million cubic yards of dirt were moved during construction |
| 30,000 cubic yards of ledge was blasted during construction of Turn 3 on the 1.058 mile oval |
| Over 100,000 tons of asphalt was used in paving the tracks, roads, & walkways |
| The track surface coat of asphalt is 5 inches thick on a 10 inch base of gravel |
| The back straight is 6 feet higher than the front straight |
| The oval's turns are a constant 375 foot radius in length measured on the inside |
| There is a 200 foot transition from straights to turns |
| The tunnels are 3 feet beneath Turn 2 |
| Each tunnel is 20 feet in diameter and 130 feet in length |
| More than 20,000 bolts are used in the tunnel lining |
| 100,000 lbs. (4 miles) of steel safety cable reinforce the oval fencing |
| The Speedway perimeter road is 5 lanes wide and 2.7-miles long |
| There are over 20 miles of buried conduit carrying electrical and phone lines |
| There are over 7 miles of water pipe |
| There are over 300 phone lines serving the Speedway |