The Lockheed Martin SR-72, commonly referred to as "Son of Blackbird," [1] is an American hypersonic concept intended for intelligence, surveillance, and reconnaissance (ISR).

State Route 73 (SR 73) is an approximately 17.76-mile (28.58 km) [1] state highway in Orange County, California. The southernmost 12 miles (19.31 km) of the highway is a toll road operated by the San Joaquin Hills Transportation Corridor Agency named the San Joaquin Hills Transportation Corridor, which opened in November 1996.

SR 73 [IN THE SOUTHERN CALIFORNIA AREA] No traffic restrictions are reported for this area.

The San Joaquin Hills Toll Road opened in 1996 and extended 73 from MacArthur Blvd in Newport Beach to I-5 in Laguna Niguel. It serves as a bypass of the busy El Toro Y, the I-5 / I-405 interchange.

6 days ago · Summary of current and upcoming CalTrans lane closures and construction work on SR-73 in California.

Nov 7, 2021 · Route 73 in Newport Beach, on the Route 73 southbound offramp to MacArthur Boulevard. Outcome/Output: Improve safety by widening offramp, installing traffic signal, and upgrading guardrail.

SR-73 : Aliso Viejo SR-73 : Pacific Park Drive Overcross Weather Forecast as of 09:02:00 PDT on 2024-10-30 : High: 71°F Low: 51°F Sunrise: 07:10 PDT Sunset: 17:59 PDT

CA 73 map, including exits, toll locations and available plazas and rest areas. Select an exit, travel plaza, toll booth or gantry, or other select locations from the map.

This highway information is the latest reported as of Friday, March 7th, 2025 at 08:23 PM. SR 73 [IN THE SOUTHERN CALIFORNIA AREA] No traffic restrictions are reported for this area.

State Route 73 (SR-73) is a 36.147-mile-long (58.173 km) state highway in the U.S. state of Utah, connecting the Rush, Cedar, and Utah Valleys. It is a discontinuous route in two segments; one long segment connecting SR-36 to Saratoga Springs, and …