text: pennsylvania route 463 pennsylvania route 463 ( pa 463 ) is a 12 . 9 - mile - long ( 20 . 8 km ) route completely in montgomery county , pennsylvania . its western terminus is at pa 63 ( welsh road ) in hatfield township and its eastern terminus is at pa 611 in horsham . it runs through the northern suburban areas of philadelphia and passes through the towns of hatfield , montgomeryville , and horsham . the route intersects pa 309 , u.s. route 202 business ( us 202 bus . ) , and us 202 in montgomeryville and pa 152 in prospectville . through its length , the route carries the names forty foot road , road , and horsham road . pa 463 was designated in 1928 and fully paved by 1940 . in 2010 , a portion of the route in montgomery township was widened . route description pa 463 begins an intersection with pa 63 on the border of hatfield township and towamencin township , heading northeast on four - lane undivided forty foot road into hatfield township . the road passes through commercial areas and farmland and narrows to two lanes . the route continues into residential areas with a few businesses and enters the borough of hatfield , where it becomes west broad street . in hatfield , the road continues northeast to the center of town . here , pa 463 turns to the southeast on south main street and passes more residential and commercial development , crossing the bethlehem branch railroad line that is owned by septa and operated by the pennsylvania northeastern railroad . the road continues back into hatfield township and becomes road . the route crosses septa 's lansdale / doylestown line near the fortuna station and intersecting broad street in a commercial area . heading past more homes , pa 463 enters montgomery township at the line street intersection . it reaches the community of montgomeryville , where pa 463 widens into a four - lane divided highway and intersects pa 309 ( bethlehem pike ) and us 202 bus . ( doylestown road ) at the five points intersection . past this intersection , the route takes on the name horsham road and passes near more businesses as it narrows into a three - lane road with a center left - turn lane and one travel lane in each direction . after crossing north wales road , the route carries five lanes total , with two travel lanes in each direction and a center left - turn lane , as it heads into residential areas . the road passes through commercial areas past the upper state road intersection and crosses us 202 . past stump road , pa 463 narrows to two lanes total and runs past residential areas and business parks . farther southeast , the route becomes the border between horsham township to the southwest and montgomery township to the northeast . upon crossing lower state road , pa 463 fully enters horsham township and becomes a three - lane road with a center left - turn lane as it heads past housing subdivisions . the route loses the turning lane and continues southeast to pa 152 in the village of prospectville . at this intersection , pa 463 gains a center left - turn lane again and passes a few businesses before continuing past deep meadow park and kohler park . the road intersects keith valley road and passes near samuel carpenter park . at the babylon road junction , the route becomes a five - lane road and runs to the northeast of hatboro - horsham senior high school and past business parks before coming to privet road . at this point , pa 463 runs past the horsham air guard station to the northeast and homes and businesses to the southwest . the route reaches the edge of the air station property at the maple avenue intersection . pa 463 intersects dresher road , where the center left - turn lane ends and the road becomes four lanes , reaching its eastern terminus at pa 611 in the community of horsham . history when pennsylvania first legislated routes in 1911 , present - day pa 463 was not given a number . in 1928 , pa 463 was designated onto its current alignment from pa 63 in hatfield township to us 611 / pa 2 in horsham . at this time , the route was paved between pa 63 and hatfield . when first created , pa 463 intersected us 122 / us 309 / pa 12 / pa 52 in montgomery township and pa 152 in horsham township . by 1930 , pa 463 was paved in horsham township . at this time , it no longer intersected pa 12 and pa 52 and it now intersected pa 752 in horsham township . the remainder of pa 463 was paved by 1940 . also by this time , us 122 became us 202 and pa 463 no longer intersected pa 752 , the first of several changes to the routes that intersected pa 463 . in 1968 , the us 309 designation that the route intersected in montgomeryville became pa 309 . the route at the eastern terminus of pa 463 changed from us 611 to pa 611 in 1972 . construction began to widen the section of pa 463 between north wales road and general hancock boulevard into a five - lane road as part of the 202 parkway project in 2009 . the widening project was completed a year later . major intersections the entire route is in montgomery county .