along the southern edge of the unincorporated area of Seabrook, then meets the eastern end of MD 704 (Martin Luther King Jr. Highway). MD 450 continues as a six-lane divided highway and intersects MD 953 (Glenn Dale Road). East of MD 193, which heads north as Glenn Dale Boulevard and south as Enterprise Road, MD 450 reduces to four lanes. Just after the route enters the city of Bowie, Old Annapolis Road (MD 450B, signed as MD 450 Old) splits to the east as MD 450 veers northeast to cross over CSX's Popes Creek Subdivision railroad line and intersect MD 197 (Laurel Bowie Road). The highway passes south of Bowie High School and becomes a four-lane undivided highway at Stonybrook Drive. It drops to two lanes as it leaves the city of Bowie east of Race Track Road and west of historic Sacred Heart Church. MD 450 then expands to a four-lane divided highway just west of its intersection with MD 3 (Robert Crain Highway). MD 450 turns to run concurrently with MD 3. The two state highways follow a six-lane divided highway over the Patuxent River at Priest Bridge, thereby crossing the Prince George's–Anne Arundel county line. Crofton to Arnold MD 450 splits from MD 3 onto Defense Highway, which starts as a four-lane divided highway but gradually reduces to two lanes as the route passes along the southern edge of Crofton. At the southeast end of the unincorporated community, the highway intersects MD 424 (Davidsonville Road). MD 450 continues along a curvy path through a forested area in which it crosses the North River and the South River and intersects Crownsville Road, which leads north to the Maryland Renaissance Festival. MD 450 passes under I-97 with no access and enters Parole, where the highway expands to four lanes with a center turn lane. The highway turns southeast onto West Street at its intersection with MD 178 (Generals Highway); the east leg of the intersection is an entrance to the Westfield Annapolis shopping mall. MD 450 has an oblique four-ramp partial cloverleaf with US 50/US 301 (John Hanson Highway), which run concurrently with unsigned I-595. The streets that form the fourth legs of the intersections with the westbound and eastbound ramps with the freeway are Jennifer Road and Riva Road, respectively. MD 450 temporarily expands to a divided highway from west of MD 2 (Solomons Island Road) to east