vel ▁on ▁the ▁last ▁block ▁of ▁the ▁ 2 0 th , ▁ 2 1 st ▁and ▁ 2 2 nd ▁Stre ets , ▁between ▁T enth ▁and ▁Ele vent h ▁Aven ues , ▁is ▁in ▁the ▁opposite ▁direction ▁than ▁it ▁is ▁on ▁the ▁rest ▁of ▁the ▁respective ▁street . ▁ 2 0 th ▁Street ▁is ▁very ▁wide ▁from ▁the ▁Avenue ▁C ▁to ▁First ▁Avenue . ▁ ▁Al ong ▁the ▁southern ▁per imeter ▁of ▁Gr amer cy ▁Park , ▁between ▁Gr amer cy ▁Park ▁East ▁and ▁Gr amer cy ▁Park ▁West , ▁ 2 0 th ▁Street ▁is ▁known ▁as ▁Gr amer cy ▁Park ▁South . ▁ ▁Between ▁Second ▁and ▁Third ▁Aven ues , ▁ 2 1 st ▁Street ▁is ▁altern atively ▁known ▁as ▁Police ▁Officer ▁Anthony ▁San chez ▁Way . ▁Al ong ▁the ▁northern ▁per imeter ▁of ▁Gr amer cy ▁Park , ▁between ▁Gr amer cy ▁Park ▁East ▁and ▁Gr amer cy ▁Park ▁West , ▁ 2 1 st ▁Street ▁is ▁known ▁as ▁Gr amer cy ▁Park ▁North . ▁ ▁L ength s ▁of ▁streets ▁▁ 2 3 rd ▁Street ▁▁ 2 3 rd ▁Street ▁is ▁another ▁main ▁number ed ▁street ▁in ▁Manh attan . ▁It ▁begins ▁at ▁Avenue ▁C / F DR ▁Drive ▁and ▁ends ▁at ▁Ele vent h ▁Avenue . ▁Its ▁length ▁is ▁ 3 . 1   km / 1 . 9 m . ▁It ▁has ▁two - way ▁travel . ▁On ▁ 2 3 rd ▁Street ▁there ▁are ▁five ▁local ▁sub way ▁stations : ▁ 2 3 rd