Name Southern or western terminus Northern or eastern terminus Length, mi (km) No. of lanesTraffic direction Notes Photo Avenida Juan Ponce de León — — unknown 1–3 S to N — Avenida Luis Muñoz Rivera — — unknown 2–4 N to S — Calle Central Calle Villa Verde Calle José Martí 0.26 (0.42) 1–2 N to S Calle Central's path is interrupted by the Expreso Luis Muñoz Rivera (PR-1 ). [ 2] Calle de la Cruz Calle del Recinto Sur Dead-end 0.3 (0.48) 1 S to N — Calle de la Fortaleza [ es ] La Fortaleza Calle del Recinto Sur 0.48 (0.77) 1 W to E Continues east as Avenida de la Constitución Avenida Juan Ponce de León [ 3] Calle José Martí Calle Olimpo Calle Suau 0.41 (0.66) 2 E to W — Calle de la Luna — — unknown 1 W to E Calle Luna, Calle Sol Willie Colón and Héctor Lavoe . [ 4] [ 5] Calle Madrid Avenida Juan Ponce de León Marginal Baldorioty de Castro 0.1 (0.16) 1 N to S — Calle de San José Calle de Tetuán Calle de San Sebastián 0.23 (0.37) 1 N to S — Calle de San Justo Calle del Comercio Calle de Norzagaray 0.34 (0.55) 1–2 N to S Runs southbound, one-way from Calle de Norzagaray to Calle del Recinto Sur where it becomes a two-lane, two-way street for one block. [ 6] Calle de San Sebastián Dead-end Calle de la Tanca 0.43 (0.69) 1 W to E Traffic runs westbound from Calle de San Justo to the dead-end and eastbound from Calle de San Justo to Calle de la Tanca. [ 7] Calle del Sol — — unknown 1 E to W Calle Luna, Calle Sol Willie Colón and Héctor Lavoe . [ 4] [ 5] Calle Trigo Avenida Juan Ponce de León Marginal Baldorioty de Castro 0.12 (0.19) 1 N to S — Calle Unión Calle Las Palmas Marginal Baldorioty de Castro 0.35 (0.56) 1 S to N The street is segmented between Avenida Juan Ponce de León and Calle McKinley. Paseo de la Princesa Paseo del Morro Calle Tizol unknown 2 W to E — 
