Assertion: beltway | /r/CapableOf | begin on main lanes
Facets:
value: at jacinto port boulevard
type: LOCATION
Source sentences:
text: Beltway 8 begins on the main lanes at Jacinto Port Boulevard, just south of I-10 (East Freeway)  and follows them to the end; exits on I-10 for both the frontage roads and main lanes are signed as Beltway 8